LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2020 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Programming And Setup - All Systems) >> Diagnostic Information and Procedures >> Control Module References
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Module References

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Reference Information

Code Control Module/Scan Tool Information Schematic Repair Instruction Programming and Setup
A11 A11 Radio: Scan Tool Information (IO6)A11 Radio: Scan Tool Information (IOB)A11 Radio: Scan Tool Information (IOS/IOU/IOT) Radio/Navigation System Wiring Schematics (IOB)Radio/Navigation System Wiring Schematics (IOR)Radio/Navigation System Wiring Schematics (IO5/IO6)Radio/Navigation System Wiring Schematics (IOS/IOT) Radio Replacement (IOS)Radio Replacement (IOT) A11 Radio: Programming and Setup (with IO6) A11 Radio: Programming and Setup (IOB) A11 Radio: Programming and Setup (IOR/IOS/IOT) 
B218L/R Driver Assistance Systems Wiring Schematics Side Object Sensing Alert Module Replacement
B233B B233B Radar Sensor Module - Long Range: Scan Tool Information Driver Assistance Systems Wiring Schematics Forward Range Radar Sensor Replacement B233B Radar Sensor Module - Long Range: Programming and Setup 
K9 K9 Body Control Module: Scan Tool Information Body Control System Wiring Schematics Body Control Module Replacement K9 Body Control Module: Programming and Setup 
K17 K17 Electronic Brake Control Module: Scan Tool Information Antilock Brake System Wiring Schematics Electronic Brake Control Module Replacement K17 Electronic Brake Control Module: Programming and Setup 
K19 K19 Suspension Control Module: Scan Tool Information Electronic Suspension Control Wiring Schematics Electronic Suspension Control Module Replacement K19 Suspension Control Module: Programming and Setup 
K20 K20 Engine Control Module: Scan Tool Information K20 Engine Control Module: Programming and Setup 
K26 Headlamp Control Module Headlights/Daytime Running Lights (DRL) Wiring Schematics Headlamp Control Module Replacement K26 Headlamp Control Module: Programming and Setup 
K29 Heated Seat Control Module Heated/Cooled Seat Wiring Schematics Front Seat Heater Vent Control Module Replacement (Except GS)Front Seat Heater Vent Control Module Replacement (GS) K29F Seat Heating Control Module - Front: Programming and Setup 
K32 Steering Wheel Heat Control Module Steering Wheel Wiring Schematics Steering Wheel Heat Control Module Replacement K32 Steering Wheel Heating Control Module: Programming and Setup 
K33 K33 HVAC Control Module: Scan Tool Information HVAC Wiring Schematics Heater and Air Conditioning Remote Control Replacement K33 HVAC Control Module: Programming and Setup 
K36 K36 Inflatable Restraint Sensing and Diagnostic Module: Scan Tool Information SIR Wiring Schematics Airbag Sensing and Diagnostic Module Replacement K36 Inflatable Restraint Sensing and Diagnostic Module: Programming and Setup 
K39 K39 Liftgate Control Module: Scan Tool Information Liftgate Wiring Schematics Accessory and Liftgate Control Module Replacement K39 Liftgate Control Module: Programming and Setup 
K40 Driver or Passenger Seat Adjuster Memory Module Replacement
K43 K43 Power Steering Control Module: Scan Tool Information Power Steering Wiring Schematics Power Steering Assist Motor Replacement K43 Power Steering Control Module: Programming and Setup 
K47 K47 Rear Differential Clutch Control Module: Scan Tool Information Rear Axle Wiring Schematics Rear Differential Clutch Control Module Replacement K47 Rear Differential Clutch Control Module: Programming and Setup 
K56 Serial Data Gateway Module Data Communication Wiring Schematics Serial Data Gateway Module Replacement K56 Serial Data Gateway Module: Programming and Setup 
K71 K71 Transmission Control Module: Scan Tool Information (AF50-8 (MRC))K71 Transmission Control Module: Scan Tool Information (9T50 (M3D or 9T60 (M3T))K71 Transmission Control Module: Scan Tool Information (AF50-8 (MRC))K71 Transmission Control Module: Scan Tool Information (9T50 (M3D or 9T60 (M3T)) K71 Transmission Control Module: Programming and Setup (AF50-8 (MRC)) K71 Transmission Control Module: Programming and Setup (9T50 (M3D) or 9T60 (M3T)) 
K73 K73 Telematics Communication Interface Control Module: Scan Tool Information OnStar/Telematics Wiring Schematics Communication Interface Module Replacement K73 Telematics Communication Interface Control Module: Programming and Setup (IOB/IO5/IO6) K73 Telematics Communication Interface Control Module: Programming and Setup (IOR/IOS/IOT) 
K74 K74 Human Machine Interface Control Module: Scan Tool Information Radio/Navigation System Wiring Schematics (IOB)Radio/Navigation System Wiring Schematics (IOR)Radio/Navigation System Wiring Schematics (IO5/IO6)Radio/Navigation System Wiring Schematics (IOS/IOT) Human Machine Interface Control Module Replacement K74 Human Machine Interface Control Module: Programming and Setup 
K84 K84 Keyless Entry Control Module: Scan Tool Information Remote Function Wiring Schematics Keyless Entry Control Module Replacement K84 Keyless Entry Control Module: Programming and Setup 
K89 Immobilizer Control Module Immobilizer Wiring Schematics Theft Deterrent Module Replacement K89 Immobilizer Control Module: Programming and Setup 
K109 K109 Frontview Camera Module: Scan Tool Information Driver Assistance Systems Wiring Schematics Front View Camera Replacement K109 Frontview Camera Module: Programming and Setup 
K111 Fuel Pump Power Control Module Scan Tool Information Fuel Pump Power Control Module Programming and Setup 
K124 K124 Active Safety Control Module: Scan Tool Information Driver Assistance Systems Wiring Schematics Active Safety Control Module Replacement K124 Active Safety Control Module: Programming and Setup 
K171 Hands-Free Liftgate Sensor Control Module Liftgate Wiring Schematics Rear Closure Hands Free Module Replacement (Base Bumper)Rear Closure Hands Free Module Replacement (GS Bumper) K171 Hands-Free Liftgate Sensor Control Module: Programming and Setup 
K182 K182 Parking Assist Control Module: Scan Tool Information Parking Assistance Systems Wiring Schematics Parking Assist Control Module Replacement K182 Parking Assist Control Module: Programming and Setup 
P16 P16 Instrument Cluster: Scan Tool Information Instrument Cluster Wiring Schematics Instrument Cluster Replacement P16 Instrument Cluster: Programming and Setup 
T3 T3 Audio Amplifier: Scan Tool Information Radio/Navigation System Wiring Schematics (IOB)Radio/Navigation System Wiring Schematics (IOR)Radio/Navigation System Wiring Schematics (IO5/IO6)Radio/Navigation System Wiring Schematics (IOS/IOT) Radio Speaker Amplifier Replacement T3 Audio Amplifier: Programming and Setup