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Control Module References

Reference Information

Code Control Module/Scan Tool Information Schematic Repair Instruction Programming and Setup
A11 Radio Scan Tool Information Radio/Navigation System Schematics (IO3)Radio/Navigation System Schematics (IO5, IO6) Radio Replacement (Chevrolet / GMC with NGI)Radio Replacement (Cadillac with NGI)Radio Replacement (Chevrolet/GMC with IOB)Radio Replacement (Cadillac with IOB) Radio Programming and Setup 
A20 Radio/HVAC Controls Radio/Navigation System Schematics (IO3)Radio/Navigation System Schematics (IO5, IO6) Radio Control Assembly Replacement (Chevrolet / GMC)Radio Control Assembly Replacement (Cadillac) Radio Control Programming and Setup 
A33 Media Disc Player Radio/Navigation System Schematics (IO3)Radio/Navigation System Schematics (IO5, IO6) Disc Player Replacement Media Disc Player Programming and Setup 
If equipped with TG5, no programming required.
B174W Front View Camera Module Scan Tool Information Object Detection Schematics Front View Camera Replacement Front View Camera Module Programming and Setup 
B218R Side Object Sensor Module Scan Tool Information Object Detection Schematics Side Object Sensing Alert Module Replacement Side Object Sensor Module Programming and Setup 
B233B Radar Sensor Module - Long Range Scan Tool Information Object Detection Schematics Forward Range Radar Module Replacement (Chevrolet / GMC)Forward Range Radar Module Replacement (Cadillac without AVF)Forward Range Radar Module Replacement (Cadillac with AVF) Radar Sensor Module - Long Range Programming and Setup 
B233R Radar Sensor Module - Short Range Object Detection Schematics Forward Range Radar Module Replacement (Chevrolet / GMC)Forward Range Radar Module Replacement (Cadillac without AVF)Forward Range Radar Module Replacement (Cadillac with AVF) Radar Sensor Module - Short Range Programming and Setup 
K4 Assist Step Control Module Scan Tool Information Step/Running Board Schematics Assist Step Control Module Replacement (Retractable Power Assist) Assist Step Control Module Programming and Setup 
K9 Body Control Module Scan Tool Information Body Control System Schematics Body Control Module Replacement Body Control Module Programming and Setup 
K14 Distance Sensing Cruise Control Module Scan Tool Information Cruise Control Schematics
K17 Electronic Brake Control Module Scan Tool Information Antilock Brake System Schematics Electronic Brake Control Module Replacement Electronic Brake Control Module Programming and Setup 
K19 Suspension Control Module Scan Tool Information Electronic Suspension Control Schematics Electronic Suspension Control Module Replacement Suspension Control Module Programming and Setup 
K20 K20 Engine Control Module: Scan Tool Information Engine Control Module Replacement K20 Engine Control Module: Programming and Setup 
K29 Seat Heating Control Module Heated/Cooled Seat Schematics Front Seat Heater Control Module Replacement Seat Heating Control Module Programming and Setup 
K29R Seat Heating Control Module - Rear Heated/Cooled Seat Schematics Rear Seat Heater Control Module Replacement Rear Seat Heater Control Module Programming and Setup 
K32 Steering Heating Control Module Steering Wheel Schematics Steering Wheel Heat Control Module Replacement Steering Wheel Heat Control Module Programming and Setup 
K33 Heating, Ventilation and Air Conditioning Control Module Scan Tool Information HVAC Schematics Heater and Air Conditioning Remote Control Replacement (Utilities)Heater and Air Conditioning Remote Control Replacement (Z75) HVAC System Control Module Programming and Setup 
K36 Inflatable Restraint Sensing and Diagnostic Module Scan Tool Information SIR Schematics Airbag Sensing and Diagnostic Module Replacement (Except Cadillac, without DCK)Airbag Sensing and Diagnostic Module Replacement (Cadillac without DCK)Airbag Sensing and Diagnostic Module Replacement (With DCK) Inflatable Restraint Sensing and Diagnostic Module Programming and Setup 
K38 Chassis Control Module Scan Tool Information Chassis Control Module Replacement (With Active Air Shutter)Chassis Control Module Replacement (Without Active Air Shutter) Chassis Control Module Programming and Setup 
K39 Liftgate Control Module Scan Tool Information Liftgate Schematics Accessory and Liftgate Control Module Replacement Liftgate Control Module Programming and Setup 
K40 Seat Memory Control Module Scan Tool Information Driver Seat Schematics Driver or Passenger Seat Adjuster Memory Module Replacement Seat Memory Control Module Programming and Setup 
K41 Front and Rear Parking Assist Control Module Scan Tool Information Object Detection Schematics Parking Assist Control Module Replacement Front and Rear Parking Assist Control Module Programming and Setup 
K43 Power Steering Control Module Scan Tool InformationPower Steering Control Module Scan Tool Information (Heavy Duty) Power Steering Schematics Electric Belt Drive Rack and Pinion Steering Gear Replacement (Light Duty) Power Steering Control Module Programming and Setup 
K60 Steering Column Lock Module Scan Tool Information Column Lock Schematics Steering Column Electronic Lock Replacement Steering Column Lock Module Programming and Setup 
K61 Sunroof Control Module Sunroof Schematics Sunroof Actuator Motor Replacement Sunroof Control Module Programming and Setup 
K67 Trailer Brake Control Module Scan Tool Information Trailer Brake Control Schematics Trailer Brake Power Control Module Replacement Trailer Brake Power Module Programming and Setup 
K69 Transfer Case Control Module Scan Tool Information (NQH)Transfer Case Control Module Scan Tool Information (NP0) Transfer Case Control Module Replacement Transfer Case Control Module Programming and Setup (NQH) Transfer Case Control Module Programming and Setup (NP0) 
K71 Transmission Control Module Scan Tool Information (6L80/90)Transmission Control Module Scan Tool Information (8L90)
K73 Communication Interface Module Scan Tool Information (OnStar Gen 9)Communication Interface Module Scan Tool Information (OnStar Gen 10) OnStar/Telematics Schematics Communication Interface Module Replacement (Chevrolet / GMC)Communication Interface Module Replacement (Cadillac) Communication Interface Module Programming and Setup 
K74 Human Machine Interface Control Module Scan Tool Information Radio/Navigation System Schematics (IO3)Radio/Navigation System Schematics (IO5, IO6) Human Machine Interface Control Module Replacement (Chevrolet / GMC)Human Machine Interface Control Module Replacement (Cadillac) Human Machine Interface Control Module Programming and Setup 
K77 Remote Control Door Lock Receiver Remote Function Schematics Remote Control Door Lock Receiver Replacement Remote Control Door Lock Receiver Programming and Setup 
K83 Electronic Parking Brake Control Module Scan Tool Information Park Brake System Schematics Electronic Parking Brake Control Module Replacement Electronic Parking Brake Control Module Programming and Setup 
K84 Keyless Entry Control Module Scan Tool Information Remote Function Schematics Keyless Entry Control Module Replacement Keyless Entry Control Module Programming and Setup 
K85 Inflatable Restraint Passenger Presence System Scan Tool Information SIR Schematics Airbag Front Passenger Presence Module Replacement Passenger Presence System Programming and Setup 
K89 Immobilizer Control Module Immobilizer Schematics Theft Deterrent Module Replacement (Chevrolet / GMC)Theft Deterrent Module Replacement (Cadillac) Immobilizer Control Module Programming and Setup 
K99 Steering Column Position Control Module Tilt/Telescoping Steering Column Schematics Steering Column Control Module Replacement Steering Column Tilt Wheel and Telescope Control Module Programming and Setup 
K111 Fuel Pump Power Control Module Scan Tool Information Engine Controls Schematics Fuel Pump Power Control Module Replacement Fuel Pump Power Control Module Programming and Setup 
(AKA: Fuel Pump Driver Control Module)
K124 Active Safety Control Module Scan Tool Information Object Detection Schematics Active Safety Control Module Replacement (Cadillac) Active Safety Control Module Programming and Setup 
K133 Trailer Brake Power Control Module
Refer to Chassis Control Module Scan Tool Information
Trailer Brake Control Schematics Trailer Brake Power Control Module Replacement Trailer Brake Power Module Programming and Setup 
K134D Seat Bolster Memory Control Module - Driver Driver Seat Schematics Front Seat Bolster Memory Module Replacement (22-Way Power) Seat Bolster Memory Control Module Programming and Setup 
K134P Seat Bolster Memory Control Module - Passenger Passenger Seat Schematics Front Seat Bolster Memory Module Replacement (22-Way Power) Seat Bolster Memory Control Module Programming and Setup 
K157 Video Processing Control Module Scan Tool Information Object Detection Schematics Video Processing Module Replacement Video Processing Control Module Programming and Setup 
K171 Hand-Free Liftgate Sensor Control Module Liftgate Schematics Rear Closure Hands Free Module Replacement (Cadillac)Rear Closure Hands Free Module Replacement (Chevrolet) Liftgate Handsfree Sensor Module Programming and Setup 
M101L/R Seat Belt Retractor Motor Module Scan Tool Information Seat Belt Schematics Seat Belt Retractor Pretensioner Replacement - Front Seat Belt Retractor Motor Module Programming and Setup 
P16 Instrument Cluster Scan Tool Information Instrument Cluster Schematics Instrument Cluster Replacement (Chevrolet / GMC)Instrument Cluster Replacement (Cadillac) Instrument Cluster Programming and Setup 
S25 Garage Door Opener Remote Function Schematics Garage Door Opener Transmitter Replacement Garage Door Opener Programming and Setup 
T1 Accessory AC and DC Power Control Module Cigar Lighter/Power Outlet Schematics Accessory AC and DC Power Control Module Replacement Accessory AC and DC Power Control Module Programming and Setup 
T3 Audio Amplifier Scan Tool Information Radio/Navigation System Schematics (IO3)Radio/Navigation System Schematics (IO5, IO6) Radio Speaker Amplifier Replacement Audio Amplifier Programming and Setup