Technical Service Bulletins

A/C Compressor
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Ac Blows Warm Or Poor Performance (PIT5099H)
- Air Conditioning Is Not Blowing Cold Air (22-NA-041)
Accessories & Equipment
- Adding Attachments To TAC Cases In Dealer Case Management (PIP6015)
- Concerns Or Questions Regarding Installation Of Dealer Installed Accessories (PIT3099U)
- General Motors Dealership Critical Equipment Requirements And Recommendations (05-00-89-029F)
- Over The Air (OTA) And In Market Enhancement (IME) FAQS (23-NA-125)
- Information On Transportation / Logistics Mode (23-NA-064)
- Information On Module Harvesting (22-NA-205)
- Requesting A New Key Code For Customer With Lost Or Stolen Keys (12-00-89-002E)
- Body Control Module (BCM) Parts Restriction Has Ended (PIC6384H)
- Diagnostic Tip - Radio Stays On After Ignition Off, IPC Backlit After Ignition Off And Rap Cancelled (PIC6437)
Accessories Control Systems
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Diagnostic Tip: Unable To Complete The Serial Data Authentication Configuration/ No Start Or Unable To Perform Theft Relearn After Replacing Or Programming A Module / DTC U1962 (PIT5832U)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Information On Obtaining TECHLINE Calibrations For Law Enforcement And Government Vehicles To Disable Or Enable Content (21-NA-135)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
- SES Mil / Dead Battery / DTC P0700 P2535 U300D (PIT5817A)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Anti-Lock Brakes
- Information On Automatic Emergency Braking Event (AEB) Issues (25-NA-118)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
Anti-Theft Systems
- Key Code Security Rules And Information On Gm KEYCODE Look-Up Application (U.S. Only) (10-00-89-009F)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Information On Using El-52545 When Diagnosing Peps Transmitter Key Fobs (21-NA-061)
- Warranty Administration - Transmitter Key Fob Warranty Replacement Requirements (21-NA-068)
- Requesting A New Key Code For Customer With Lost Or Stolen Keys (12-00-89-002E)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Automatic Trans
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Information Needed When Creating Technical Assistance Case For Concerns On DCT Transmissions (PIP6026A)
- Information On Ethylene Glycol In Transmission Fluid (08-07-30-035I)
- M1L M1M And MLH Corvette Transmission Restriction (PIP6016A)
- Improper Labor Operation Used For Dual Clutch Transmissions (PIP6024)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Gm TAC Support On Vehicle Automatic Transmission Concerns That Can Be Duplicated (PIP5621E)
- Information On Transmission Core Damage (24-NA-141)
- Information On Driveline Clunk Noise (99-04-20-002O)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Noise From Transmission Area, Malfunction Indicator Lamp (Mil) ILLUMINATEDP0746, P0747, P0776, P07, P0796, P0797, P08C4, P08C5, P0867, P0868, P0869, P1950, P1955, P1956, P1957, P1958, P1959, P1960 (23-NA-197)
- Incorrect MCV Received From Parts Department - P0878, P2812, P281B (PIP5972)
- Diagnostic Aid - PICOSCOPE Information And Setup For Transmission Related Concerns (21-NA-049)
- Dead Battery, No Start, And/Or Vehicle Will Not Shut Down (23-NA-176)
- Information On Internal Transmission Faults Related To Components Not Serviceable At Dealer Level, Service Transmission Message Displayed On Driver Information Center (DIC), Malfunction Indicator Lamp (Mil) Illuminated - DTC P1955 And/Or P0867 Set (PIP5797E)
- Information On M1L Automatic Transmission Production Running Changes (23-NA-156)
- Information On Slight Vehicle Movement In Park At Start Up After Cold Soak (08-07-30-026I)
- Information On Unnecessary Replacement Of Extension Housing And 1-2-3-4-5-Rev Clutch Piston Assembly For 8L45, 8L90 Automatic Transmissions (22-NA-246)
- Engineering Information - Malfunction Indicator Lamp (Mil) Illuminated, Service Rear Axle Message On Driver Information Center (DIC), Transmission Shifting Concerns (PIE0700B)
- Diagnostic Tip On Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns (PIP5640A)
- Information On Transmission Fluid Leak (22-NA-173)
- M1L Transmission Filter Investigation (PIP5821)
Auxiliary Emission Control Systems
- Transmission Control Module Update (22-NA-157)
- EVAP Testing Port Modification (PIP5786A)
Axle Shafts
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Body Electrical
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)
- Information On Reflective High Temperature Heat And/Or Insulating Tape For Wiring Harness Repairs (PIT5962B)
- Diagnostic Tip: No Start/ Ignition Will Not Turn On/ No Power Due To A Can Bus 2 Issue/Lightning Strike/ Failed Over The Air Update (PIT5985J)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Diagnostic Aid: Service Headlamp System Message Displayed In The DIC (PIC6512A)
- I/P Wiring Harness Fuse Block Or Body Wiring Harness Junction Block Terminal Retention Repair (21-NA-174)
Body Interior
- DTC U3000 Sym49 Set In The Serial Data Gateway Module (PIT6398)
- Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To Gm TAC (Us And CANADA Dealers Only) (PIP4902S)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Lin Bus Diagnostic Information (PIT5698E)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Unable To Complete Serial Data Authentication (24-NA-066)
- Information On Setting Up PICOSCOPE To Diagnose Controller Area Network (Can) Circuits (23-NA-189)
- Black Radio Display Screen (Triangle And Camera With Slash Through It) With DTCS B1A62 82 And 86 Setting Current In Video Processing Module (VPM) (23-NA-007)
- Universal Garage Door Remote Will Not Program Correctly (23-NA-077)
- Air Conditioning Is Not Blowing Cold Air (22-NA-041)
- Diagnostic Trouble Code (DTC) B1038.64 Set In Body Control Module (BCM) And Door Ajar Message On Driver Information Center (DIC) (22-NA-052)
- Unable To Connect To The ONSTAR Center (PIC6450)
- Check Engine Mil Illuminated In DIC Set By Body Control Module With DTC P0607 (22-NA-044)
- Engineering Information - Malfunction Indicator Lamp (Mil) Illuminated On Driver Information Center (DIC), DTC U1970 Set (PIE0643A)
Brakes Control Systems
- Information On Automatic Emergency Braking Event (AEB) Issues (25-NA-118)
- Information On EBOOST Applications (K160 Brake System Control Module) For False DTC C05B0 Setting After A Brake Inspection, Brake Pad Replacement, Or Any Other Work That Would Require Caliper Piston To Be Reseated (22-NA-247)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
Charging Systems
- Information On Use Of PICOSCOPE And PICOLOG For Battery Draw Monitoring/Intermittent Dead Battery (24-NA-229)
Clutch
- Dual Clutch Transmission Part Restriction Has Ended (PIP5709P)
Collision/Avoidance
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Rear Cross Traffic Alert Indicators Missing (PIT6084A)
- Information On Normal Rear View Camera Display Operation - Flashing Diamond - Spot - Or UFO Like Image On Rear View Camera Display (PIT5799A)
- Side Object Detection Temporarily Unavailable Message In DIC (PIC6469)
- Unable To Program A Replacement Side Object Detection Control Module (PIT5782C)
- Radio Software Version V152 Update (20-NA-237)
Communication Devices
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Radio Software Version V171 Update (24-NA-108)
- Wireless Phone Charger Inoperative With Apple IPHONE 15 Models (PIT6097C)
- History DTCS To Ignore / No SES / No Malfunction Indicator Lamps / No Warning Messages (PIT5762F)
- Cellphone Not Charging Or USB Receptacle Inoperative Diagnostic (22-NA-238)
- Unable To Connect To The ONSTAR Center (PIC6450)
- Phone Left In Wireless Cellphone Charger Reminder (22-NA-043)
- New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles And Generating Higher CSI Scores (03-00-89-006S)
Cooling System (Mechanical)
- Information On Flushing Oil Contamination From Cooling System (25-NA-052)
- Information On Ethylene Glycol In Transmission Fluid (08-07-30-035I)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information On Concern Of An Engine Thermostat Tick Noise And/Or Running Hot (PIP5212D)
Differentials & Drive Axles
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Electronic Steering
- Grease Or Sealant Visible On Electronic Power Steering Gear - Should Not Be Interpreted As Leak (16-NA-109)
Electronic Suspension
- Service Front Suspension Lift System Message Displayed On Driver Information Center (DIC) - DTC C103C And/Or C103E Symptom 64 Set (PIC6434A)
Engine Control Systems
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Diagnostic Tip - Determining An OEM Vs An Aftermarket Muffler On A C8 Corvette P12E3, P12E4, P12E5, P12E7, P12E8, P12E9, P12EA, P12EB, P12EC, P12ED, P12EF, P12F0, P12F1, P12F2, P12F4, P12F5, P12F6, P12F7, P12F8, P12F9, P12FA, P12FC, P12FD, P12FE, P12FF, P26C5, P26C6, P26C7, P2BF8, P2BF9, P2FA, P3100, P3101, P316E, P316F, P3170, P3171, P3172, P3173, P3173, P3174, P3175, P3176, P3177, P3179, P317A, P317B, P317C, P317D, P317E, P317F, P3180, P3181, P3182, P3183, P3184, P31EF, P31CF, P31D0, P31D1, P31D2, P31D3, P31D4, P31D5, P31D6, P31D7, P31D9, P31DA, P31DB, P31DC, P31DD, P31DE, P31DF, P31E0, P31E1, P31E2, P31E3, P31E4, P31E5, P31E7, P31E8 (PIC6581)
- Diagnostic Aid - Vehicle Speed Limited (24-NA-246)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Service Programming System (SPS) Errors (E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, Or E6961) (PI0592I)
- Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank No Power Or Fuel Pressure Related DTC'S (PIP5596A)
- History DTCS To Ignore / No SES / No Malfunction Indicator Lamps / No Warning Messages (PIT5762F)
- Information On Sag Or Hesitation On Acceleration (PIP4112S)
- Diagnostic Aids For Gas Engine Misfire/Rough Running With DTC P0300-P0308 And/Or DTC P050D (PIP5628G)
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Diagnostic Tip For Misfire, Chirp, Squeak, Squeal Or Tick Noise, Malfunction Indicator Lamp (Mil) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 And/Or P0308 Set (PIP4138R)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated, Excessive Smoke From Tail Pipe - DTC P2002, P226D And/Or P244A Set (16-NA-380)
- Rough Idle With Misfire Counts On Random Cylinders, Malfunction Indicator Lamp (Mil) Illuminated (PIP5715B)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated - DTC P0442 And/Or P0455 Set (21-NA-124)
- Stop/Start System Inhibited / IBS / Battery Monitor With Module Malfunction Indicator Light (Mil) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set (22-NA-214)
- Service Engine Soon (SES) Light/Message With DTCS P16F3 And/Or P060C In Engine Control Module (ECM) (22-NA-206)
- Non-Operating Remote Start With DTCS P31DB/P31E8 Set (22-NA-189)
- Engineering Information (EI) - Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), Diagnostic Trouble Codes (DTC) P0101, U060F And/Or U1346 Set (PIE0681A)
- Engineering Information (EI) - Transmission Hot Message Displayed On Driver Information Center (DIC) And/Or Vehicle Will Not Disengage From Park, DTCS P0606, P0607 Set (PIE0690A)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
- Check Engine Mil Illuminated In DIC Set By Body Control Module With DTC P0607 (22-NA-044)
- Engineering Information - Check Engine Lamp Illuminated On Driver Information Center (DIC), DTC P0607 Set In Body Control Module (BCM) (PIE0672B)
- M1L P1789 Additional Diagnostics (PIP5818A)
- Engineering Information - Check Engine Lamp Illuminated On Driver Information Center (DIC) And/Or Poor Fuel Fill, DTC P0451 Set (PIE0613D)
- Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCS P0299 P2227 (PIP5540J)
- Hood Ajar Message Displayed On Driver Information Center (DIC), Hood May Not Open Using Any Electrical Release Buttons, But Will Open Using Manual Release Cable (21-NA-094)
- Malfunction Indicator Lamp (Mil) Illuminated - DTCS P2832, P2837, P283C, P2841 And/Or P2864 Set (21-NA-070)
- P0451 Service Information Diagnostic Updates (PIP5782)
Entertainment Systems
- OTA Failure Or Download Will Not Complete (PIT5966E)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Blank Or Black Screen, Update A22 Radio Control (24-NA-248)
- Radio Software Version V171 Update (24-NA-108)
- Wireless CARPLAY Or Android Auto Will Not Launch (PIC6551)
- Radio Software Version V167 Update (PIT5971B)
- Infotainment Control Switch Or Hd Radio Do Not Function After Radio Replacement (PIT6050)
- Radio Software Version V164 Update (PIT5913A)
- Radio Staying On After Retained Accessory Power (Rap), Low And/Or Dead Battery - Over The Air Software Update (PIC6480A)
- MDI 2 Required For Vehicles With Vehicle Intelligence Platform (VIP) (20-NA-018)
- Radio Software Version V160 Update (22-NA-127)
- Radio Displays Message: SIRIUS XM Connection Unavailable - Please Call ONSTAR Agent (PIT5791A)
- Radio Software Version V152 Update (20-NA-237)
- Radio Unwanted Phantom Touch Or Non-Responsive To Touch After Cleaning/Disinfecting Display (20-NA-235)
Exhaust
- Diagnostic Tip - Determining An OEM Vs An Aftermarket Muffler On A C8 Corvette P12E3, P12E4, P12E5, P12E7, P12E8, P12E9, P12EA, P12EB, P12EC, P12ED, P12EF, P12F0, P12F1, P12F2, P12F4, P12F5, P12F6, P12F7, P12F8, P12F9, P12FA, P12FC, P12FD, P12FE, P12FF, P26C5, P26C6, P26C7, P2BF8, P2BF9, P2FA, P3100, P3101, P316E, P316F, P3170, P3171, P3172, P3173, P3173, P3174, P3175, P3176, P3177, P3179, P317A, P317B, P317C, P317D, P317E, P317F, P3180, P3181, P3182, P3183, P3184, P31EF, P31CF, P31D0, P31D1, P31D2, P31D3, P31D4, P31D5, P31D6, P31D7, P31D9, P31DA, P31DB, P31DC, P31DD, P31DE, P31DF, P31E0, P31E1, P31E2, P31E3, P31E4, P31E5, P31E7, P31E8 (PIC6581)
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated, Excessive Smoke From Tail Pipe - DTC P2002, P226D And/Or P244A Set (16-NA-380)
- Information On Corvette And CAMARO Exhaust Tone During Wide Open Throttle While In Sport Or Track Modes (17-NA-078)
Exterior Body Panels
- Underbody Component Corrosion (PI0281L)
- PAINTLESS Dent Repair Process (99-08-51-001F)
- Information On Corvette C8 And CADILLAC Ct6 Structural Parts Restriction (23-NA-019)
- Information On The Elimination Of The Rear Compartment Lock Cylinder (PIC6461)
- Paint Peeling Around The Front Fascia (PIC6451A)
- Paint Peeling Or Chipping On Front Fascia At Headlamp Or Fender Seam (22-NA-081)
- Witness Marks From Panel Adjustments Made During Manufacturing (21-NA-103)
Exterior Lights
- Exterior Lamp Condensation And Water Leak Information And Replacement Guidelines (01-08-42-001Q)
- Accessory Lighted Sill Plate Does Not Illuminate Or Intermittently Illuminates (22-NA-131)
- Engineering Information - Turn Signal Is Not Canceling And/Or Mis-Canceling (PIE0625A)
Frames, Subframes & Crossmembers
- Underbody Component Corrosion (PI0281L)
Front Suspension
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Information On Service Front Lift System Message On Driver Information Center (DIC), Fluid Leaking From Shocks - DTC C103C Or C11AB And/Or C103E Or C11AE Set (22-NA-132)
Fuel System
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- EPA Summer Grade Gasoline Waiver Allows Use Of Winter Grade Surplus Potential Drivability Concerns P0300 P0171 P0174 P228C Fuel Smell Odor Longer Extended Cranking Time Hesitation Engine Stalls (PIP5725A)
Fuses & Circuit Breakers
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)
Gauges & Instrument Panels
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Interior Cleaning - Instrument Panel (IP), Hard Or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability (06-00-89-029W)
- Odometer Displays Zero Or Incorrect Mileage After Programming DTCS U1973 U197E U197F U2A90 U2A91 U1978 And/Or U197F (PIT5851F)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Diagnostic Tip: No Start/ Ignition Will Not Turn On/ No Power Due To A Can Bus 2 Issue/Lightning Strike/ Failed Over The Air Update (PIT5985J)
- Odometer Mileage Incorrect After Performing A Setup Procedure For Any Of The Following Modules ECM / IPC / BCM / Lighting Control Module (PIT6279B)
General Servicing
- Information On Refrigerant (R1234YF) For A/C Service (12-01-37-001G)
Hazardous Waste Material
- Warranty Parts Center (WPC) Information For Shipping Hazardous Materials (Hazmat) - U.S. Only (24-NA-040)
Headlights
- Exterior Lamp Condensation And Water Leak Information And Replacement Guidelines (01-08-42-001Q)
- Paint Peeling Or Chipping On Front Fascia At Headlamp Or Fender Seam (22-NA-081)
Heated Glass/Defoggers
- Rear And Side Tempered Glass Spots (Quench Marks) (PI0754G)
HVAC Control Systems
- Passenger Side Carpeting May Be Damp And/Or Wet When Using Air Conditioning (PIC6447B)
- Ac Blows Warm Or Poor Performance (PIT5099H)
Ignition Switch/Steering Lock
- Key Code Security Rules And Information On Gm KEYCODE Look-Up Application (U.S. Only) (10-00-89-009F)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Ignition System
- Diagnostic Tip: No Start/ Ignition Will Not Turn On/ No Power Due To A Can Bus 2 Issue/Lightning Strike/ Failed Over The Air Update (PIT5985J)
Infotainment
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Blank Or Black Screen, Update A22 Radio Control (24-NA-248)
- MDI 2 Required For Vehicles With Vehicle Intelligence Platform (VIP) (20-NA-018)
- New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles And Generating Higher CSI Scores (03-00-89-006S)
Interior/Exterior Trim
- Passenger Side Carpeting May Be Damp And/Or Wet When Using Air Conditioning (PIC6447B)
- Information On Proper Use Of Floor Mats (10-08-110-001L)
- Carpet Appearance Near Center Console Area (21-NA-249)
- Carpet Appearance Near The Center Console Area (PIC6445)
Interior/Illumination Lights
- Accessory Lighted Sill Plate Does Not Illuminate Or Intermittently Illuminates (22-NA-131)
Lubrication System
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Information On Flushing Oil Contamination From Cooling System (25-NA-052)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information On Engine Oil Consumption Guidelines (01-06-01-011Q)
- Information On Gasoline Engine Replacement Guidelines After Connecting Rod Or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank And Turbocharger (22-NA-074)
- Information For Engine Concerns Resulting From Lack Of Scheduled Maintenance, Improper Service Or Aftermarket Calibrations (16-NA-222)
- Information On New Torque Specification And Installation Procedure For ACDELCO Spin-On Oil Filters (22-NA-009)
Manual Steering
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Manual Trans
- Information On Driveline Clunk Noise (99-04-20-002O)
Mechanical
- Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold (00-06-01-026R)
- Information On Whoosh Noise From Engine Area While Driving (PIP5914)
- Use Of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces And/Or Reused Parts (00-06-01-012N)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Diagnostic Tips For Seized Engine Or Engine Noise (PIP5900)
- Engine Repair Tip For Installation Of Pistons (PI1394B)
- Information On Engine Block Cracked At Head Bolt Hole Locations (23-NA-141)
- M1L/ M1M MCV Main Control Valve Part Numbers And Application (PIP5937)
- Information On Gasoline Engine Replacement Guidelines After Connecting Rod Or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank And Turbocharger (22-NA-074)
- Diagnostic Tip For Misfire, Chirp, Squeak, Squeal Or Tick Noise, Malfunction Indicator Lamp (Mil) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 And/Or P0308 Set (PIP4138R)
- Information For Engine Concerns Resulting From Lack Of Scheduled Maintenance, Improper Service Or Aftermarket Calibrations (16-NA-222)
- Repair Guidelines For Engine Component Wear (18-NA-073)
- Diagnostic Tips For Knocking, Rattle, Squeak And/Or Squeal Type Noise From Engine - Engine Replacement Recommendations For HFV6 Gen 1 And Gen 2 (PIP5216G)
- Ticking Noise From The Engine (PIP5606E)
- Information On Concern Of An Engine Thermostat Tick Noise And/Or Running Hot (PIP5212D)
- Diagnostic Tip On Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns (PIP5640A)
- Information For Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation And Applying RTV Sealant (12-06-01-003D)
- Needle Bearings Found In The Oil Pan During An Oil Change (PIP5226D)
Mechanical - Hydraulic
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Addressing Customer Concerns On Brake Noises (PIC6429B)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Information On Brake Pulsation And/Or Repeat Brake Pulsation (24-NA-031)
- Gm TAC Support Of Vehicle Vibration Complaints - U.S. And CANADA Dealers Only (PIT5214F)
- Information On Normal Characteristic - Vehicle Unable To Move After Being Parked For An Extended Period Of Time (PIC6083A)
- Information On Brake Pulsation, Noise And/Or Visible Pitting Condition To Brake Rotor Surface (22-NA-026)
- Unable To Complete The Brake Hydraulics Test In GDS2 (PIC6432)
- Questions Regarding The Use Of High Performance / High Temperature Brake Fluid During Track Use (PIC6162D)
Memory Modules
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
Mirrors
- Information On Appearance Concern With Driver Outside Rearview Mirror Dimming (21-NA-251)
Passive Restraints
- Seat Belt Comfort Guide Part Information (PIT6180A)
Procedures
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Vehicle Noise Diagnosis And TAC Requests For Assistance With Noise Related Complaints (PIP5358D)
- Lin Bus Diagnostic Information (PIT5698E)
- Website For AFIT, TPM, Gr8, MIT And PICO Scope Updates (PIP4723H)
- El-52800 - Diagnostic And Charge Battery Station (DCBS) - FAQS (23-NA-055)
- Variable Diagnostic Time Allowances (U.S. Only) (18-NA-263)
- Battery Maintenance Report FAQS (U.S. Only) (22-NA-115)
- EVAP Testing Port Modification (PIP5786A)
Rear Suspension
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Restraints Control Systems
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
Schedule
- Engineering Information (EI) - Information On 7500 Mile Maintenance For Dual Clutch Transmission Canister Filter Replacement (U.S. Only) (PIE0669)
Seats
- Seat Belt Comfort Guide Part Information (PIT6180A)
- Memory Seat Module Does Not Adjust (PIT5796A)
Starter
- OTA Failure Or Download Will Not Complete (PIT5966E)
- Diagnostic Tip: Unable To Complete The Serial Data Authentication Configuration/ No Start Or Unable To Perform Theft Relearn After Replacing Or Programming A Module / DTC U1962 (PIT5832U)
- Diagnostic Tip: No Start/ Ignition Will Not Turn On/ No Power Due To A Can Bus 2 Issue/Lightning Strike/ Failed Over The Air Update (PIT5985J)
- Information On Use Of PICOSCOPE And PICOLOG For Battery Draw Monitoring/Intermittent Dead Battery (24-NA-229)
- Dead Battery, No Start, And/Or Vehicle Will Not Shut Down (23-NA-176)
- AGM Battery Frequently Asked Questions (FAQS) (23-NA-044)
- No Fob Detected Message On Driver Information Center (DIC) With No Crank/No Start (PIT5841A)
- Battery Maintenance Report FAQS (U.S. Only) (22-NA-115)
- Non-Operating Remote Start With DTCS P31DB/P31E8 Set (22-NA-189)
- M1L P1789 Additional Diagnostics (PIP5818A)
- Engineering Information - Owner Receipt Of PAI "Sac003" And/Or Dealer Informed Of Excessive Parasitic Drains On An In-Inventory Vehicle (PIE0632A)
- SES Mil / Dead Battery / DTC P0700 P2535 U300D (PIT5817A)
Steering Column
- Engineering Information - Rattle Type Noise Heard From Steering Wheel (PIE0653A)
Steering Column Switches
- Select Thumb Wheel Switch On Steering Wheel Not Able To Select Any Info Tiles Or Radio Stations (21-NA-185)
- Turn Signal May Not Cancel After A Turn (PIC6431)
Steering Gear
- Grease Or Sealant Visible On Electronic Power Steering Gear - Should Not Be Interpreted As Leak (16-NA-109)
Sun Roof/T-Top/Convertible Top
- Rear And Side Tempered Glass Spots (Quench Marks) (PI0754G)
- Diagnosing Various Concerns On A Power Folding Top (PIC6378C)
- Intermittent Sunroof Operation, Bind, Noise, Auto-Reverse, And/Or Water Leaks (PIC5260F)
- Diagnostic Tip - Information On The Folding Hard Top (PIC6455)
- Information On Unable To Open Folding Top, DTC B19E1 Sym64 Possibly Set (22-NA-084)
- Convertible Top May Not Lower Intermittently, DTC B19E4 Sym64 May Be Stored In History (21-NA-192)
Suspension Control Systems
- Replacing & Programming The K218 - Front Suspension Leveling / Lifting Hydraulic Power Pack Module (PIC6441B)
- Information On Service Front Lift System Message On Driver Information Center (DIC), Fluid Leaking From Shocks - DTC C103C Or C11AB And/Or C103E Or C11AE Set (22-NA-132)
- SES Mil DTC U0139 Set In ECM (PIT6007A)
System
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank No Power Or Fuel Pressure Related DTC'S (PIP5596A)
- Information On Sag Or Hesitation On Acceleration (PIP4112S)
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Diagnostic Tip For Misfire, Chirp, Squeak, Squeal Or Tick Noise, Malfunction Indicator Lamp (Mil) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 And/Or P0308 Set (PIP4138R)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
- Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCS P0299 P2227 (PIP5540J)
Transmission Control Systems
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- M1L M1M And MLH Corvette Transmission Restriction (PIP6016A)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Information On Transmission Core Damage (24-NA-141)
- Dual Clutch Transmission MCVM Pun Clarification (PIP5781B)
- Noise From Transmission Area, Malfunction Indicator Lamp (Mil) ILLUMINATEDP0746, P0747, P0776, P07, P0796, P0797, P08C4, P08C5, P0867, P0868, P0869, P1950, P1955, P1956, P1957, P1958, P1959, P1960 (23-NA-197)
- Transmission Control Module Calibration Updates (23-NA-188)
- Service Engine Soon Light/Message With DTCS P0606 Or P0607 In The TCM (PIP5852B)
- Transmission Control Module Update (22-NA-157)
- Do Not Swap Modules In Vehicles With Global Electrical Systems (PIP4670J)
- Unable To Shift Transmission, Possible Mil Illuminated Or Service Transmission Message With Various DTCS Set (21-NA-211)
- Malfunction Indicator Lamp (Mil) Illuminated - Multiple Transmission DTCS Set (21-NA-033)
TSB
- Warranty Administration - Adding CALIFORNIA Emissions Warranty For Customers Registering Their Vehicle In A CALIFORNIA Emissions State (U.S. Only) (25-NA-100)
Wheels & Tire System
- Tire Sidewall Irregularities (PIT4261J)
- Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean And Resurface Wheel Bead Seat) (08-03-10-006I)
- Information On Summer Tire Performance And Tire Cold Weather Cracking (13-03-10-001L)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Guidelines When Changing Tire And Wheel Size (PIT3271P)
- Information On Brake Pulsation And/Or Repeat Brake Pulsation (24-NA-031)
- Gm TAC Support Of Vehicle Vibration Complaints - U.S. And CANADA Dealers Only (PIT5214F)
- Vibration Shortly After Tires Are Mounted/Preventing Vibration From Wheel Slip (Tire Sliding On Wheel) (12-03-10-001E)
- Gm Accessories - New Dealer Installed LPO Wheel Installation And Return Process - Beginning January 1ST , 2023 (U.S. Dealers Only) (22-NA-257)
- Gm CANADA New Vehicle Tire Warranty Program For Original Equipment (OE) Tires And PDI Installed Limited Production Option (LPO) Tires (22-NA-106)
- Excessive Brake Dust On Wheels (PIC5214D)
- Information On Proper Tire Pressure (00-00-90-002M)
Window Motors & Regulators
- Information On Glass Ultraviolet (UV) Ray Protection And Tint Percentage (21-NA-152G)
Wiring Diagrams
- Warranty Administration - Revised Wiring Repair Labor Operations And Required Additional Information (10-00-89-005K)
Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)