Control Module References

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 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	Radio/Navigation System Wiring Schematics (IOR) , or Radio/Navigation System Wiring Schematics (IOS/IOT)	Radio Replacement (IOR, IOS) , or Radio Replacement (IOT)	A11 Radio: Programming and Setup
A22	A22 Radio Controls: Scan Tool Information	Radio/Navigation System Wiring Schematics (IOR) , or Radio/Navigation System Wiring Schematics (IOS/IOT)	Radio Control Assembly Replacement (IOR) , or Radio Control Assembly Replacement (IOS, IOT)	A22 Radio Controls: Programming and Setup
B174W	B174W Frontview Camera - Windshield: Scan Tool Information	Driver Assistance Systems Wiring Schematics	Front View Camera Replacement	B174W Frontview Camera - Windshield: Programming and Setup
B218L/R	B218L Side Object Sensor Module - Left: Scan Tool Information B218R Side Object Sensor Module - Right: Scan Tool Information	Driver Assistance Systems Wiring Schematics	Side Object Sensing Alert Module Replacement	B218L Side Object Sensor Module - Left: Programming and Setup B218R Side Object Sensor Module - Right: Programming and Setup
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	Engine Controls Wiring Schematics (LTG) - 2.0L (LTG) engine Engine Controls Wiring Schematics (LGX) - 3.6L (LGX) engine	Engine Control Module Replacement - 2.0L (LTG) engine Engine Control Module Replacement - 3.6L (LGX) engine	K20 Engine Control Module: Programming and Setup
K26	K26 Headlamp Control Module: Scan Tool Information	Headlights/Daytime Running Lights (DRL) Wiring Schematics	Headlamp Control Module Replacement (T4L with T95 and UVG) , or Headlamp Control Module Replacement (T4L without T95 and UVG)	K26 Headlamp Control Module: Programming and Setup
K29	Heated Seat Control Module - Front	Heated/Cooled Seat Wiring Schematics	Front Seat Heater Vent Control Module Replacement (Except GS) , or 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	Heated Steering Wheel 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	K40D Seat Memory Control Module - Driver: Scan Tool Information K40P Seat Memory Control Module - Passenger: Scan Tool Information	Driver Seat Wiring Schematics Passenger Seat Wiring Schematics	Driver Seat Adjuster Memory Module Replacement	K40D Seat Memory Control Module - Driver: Programming and Setup K40P Seat Memory Control Module - Passenger: Programming and Setup
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
K61	Sunroof Control Module	Sunroof Wiring Schematics	Sunroof Window Motor Replacement	K61 Sunroof Control Module: Programming and Setup
K62	Sunroof Sunshade Control Module	Sunroof Wiring Schematics	Sunroof Sunshade Motor Replacement (Wagon)	K62 Sunroof Sunshade Control Module: Programming and Setup
K71	K71 Transmission Control Module: Scan Tool Information (AF50-8 (MRC)) , or K71 Transmission Control Module: Scan Tool Information (9T50 (M3D or 9T60 (M3T)) , or K71 Transmission Control Module: Scan Tool Information (AF50-8 (MRC)) , or K71 Transmission Control Module: Scan Tool Information (9T50 (M3D or 9T60 (M3T))	Automatic Transmission Controls Wiring Schematics - 9T50 (M3D) and 9T60 (M3T) transmission Automatic Transmission Controls Wiring Schematics - Aisin AF50-8 (MRC) transmission	Transmission Control Module Replacement - 9T50 (M3D) and 9T60 (M3T) transmission Transmission Control Module Replacement - Aisin AF50-8 (MRC) transmission	K71 Transmission Control Module: Programming and Setup (AF50-8 (MRC)) , or 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
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
K111	Fuel Pump Power Control Module Scan Tool Information	Engine Controls Wiring Schematics (LTG) - 2.0L (LTG) engine Engine Controls Wiring Schematics (LGX) - 3.6L (LGX) engine	Fuel Pump Power Control Module Replacement (AWD) , or Fuel Pump Power Control Module Replacement (FWD) - 2.0L (LTG) engine Fuel Pump Power Control Module Replacement - 3.6L (LGX) engine	K111 Fuel Pump Driver 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) , or 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 (IOR) , or Radio/Navigation System Wiring Schematics (IOS/IOT)	Radio Speaker Amplifier Replacement	T3 Audio Amplifier: Programming and Setup