Control Module References

WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. 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 Schematics Radio/Navigation System Schematics	Radio Replacement	A11 Radio: Programming and Setup
A22	A22 Radio Controls: Scan Tool Information	Radio/Navigation System Schematics Radio/Navigation System Schematics	Radio Control Assembly Replacement	A22 Radio Controls: Programming and Setup
B174W	B174W Frontview Camera: Scan Tool Information	Driver Assistance Systems 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 Schematics	Side Obstacle Detection Control Module Replacement	B218L Side Object Sensor Module - Left: Programming and Setup B218R Side Object Sensor Module - Right: Programming and Setup
K4	K4 Assist Step Control Module: Scan Tool Information	Step/Running Board Schematics	Running Board Control Module Replacement	K4 Assist Step Control Module: Programming and Setup
K9	K9 Body Control Module: Scan Tool Information	Body Control System Schematics	Body Control Module Replacement	K9 Body Control Module: Programming and Setup
K17	K17 Electronic Brake Control Module: Scan Tool Information	Antilock Brake System Schematics	Electronic Brake Control Module Replacement	K17 Electronic Brake Control Module: Programming and Setup
K20	K20 Engine Control Module: Scan Tool Information (L5P)K20 Engine Control Module: Scan Tool Information (Except Diesel)	Engine Controls Schematics - 6.6L (L8T) engine Engine Controls Schematics - 6.6L (L5P) Diesel engine	Engine Control Module Replacement - 6.6L (L8T) engine Engine Control Module Replacement - 6.6L (L5P) Diesel engine	K20 Engine Control Module: Programming and Setup
K29	Seat Heating Control Module	Heated/Cooled Seat Schematics	Front Seat Heater Vent Control Module Replacement Rear Seat Heater Control Module Replacement	K29F Seat Heating Control Module - Front: Programming and Setup K29R Seat Heating Control Module - Rear: Programming and Setup
K32	Steering Heating Control Module	Steering Wheel Schematics	Heated Steering Wheel Module Replacement	K32 Steering Wheel Heating Control Module: Programming and Setup
K33	K33 HVAC Control Module: Scan Tool Information	HVAC Schematics - Automatic HVAC Schematics - Manual	Heater and Air Conditioning Remote Control Replacement - Automatic Heater and Air Conditioning Remote Control Replacement - Manual	K33 HVAC Control Module: Programming and Setup
K34	K34 Glow Plug Control Module: Scan Tool Information	Engine Controls Schematics - 6.6L (L5P) Diesel engine	Glow Plug Control Module Replacement	K34 Glow Plug Control Module: Programming and Setup
K36	K36 Inflatable Restraint Sensing and Diagnostic Module: Scan Tool Information	SIR Schematics	Restraints Control Module Replacement	K36 Inflatable Restraint Sensing and Diagnostic Module: Programming and Setup
K38A	K38A Chassis Control Module - Auxiliary: Scan Tool Information	Trailering Systems Schematics	Auxiliary Chassis Control Module Replacement - Trailer Brake (Crew Cab)Auxiliary Chassis Control Module Replacement - Trailer Brake (Chassis Cab)	K38A Chassis Control Module - Auxiliary: Programming and Setup
K40	K40D Seat Memory Control Module - Driver: Scan Tool Information	Driver Seat Schematics	Driver Seat Adjuster Memory Module Replacement	K40D Seat Memory Control Module - Driver: Programming and Setup
K43	K43 Power Steering Control Module: Scan Tool Information	Power Steering Schematics	Electronic Power Steering Motor Control Module Replacement	K43 Power Steering Control Module: Programming and Setup
K44	K44 Power Take-off Control Module: Scan Tool Information	Power Take-Off (PTO) Schematics	Power Takeoff Control Module Replacement	K44 Power Take-off Control Module: Programming and Setup
K56	Serial Data Gateway Module	Data Communication Schematics	Serial Data Gateway Module Replacement	K56 Serial Data Gateway Module: Programming and Setup
K60	K60 Steering Column Lock Module: Scan Tool Information	Column Lock Schematics	Column Lock Module Replacement	K60 Steering Column Lock Module: Programming and Setup
K68	K68 Trailer Lighting Control Module: Scan Tool Information	Trailering Systems Schematics	Trailer Lamp Control Module Replacement	K68 Trailer Lighting Control Module: Programming and Setup
K69	K69 Transfer Case Control Module: Scan Tool Information	Transfer Case Control Schematics - MP 1625/1626 (NQF) transfer case Transfer Case Control Schematics - MP 3023/3024 (NQH) transfer case	Transfer Case Control Module Replacement - MP 1625/1626 (NQF) transfer Transfer Case Control Module Replacement - MP 3023/3024 (NQH) transfer case	K69 Transfer Case Control Module: Programming and Setup (NQF) K69 Transfer Case Control Module: Programming and Setup (NQH)
K71/Q8	K71 Transmission Control Module: Scan Tool Information (6L90 (MYD))K71 Transmission Control Module: Scan Tool Information (10L1000 (MGM, MGU))K71 Transmission Control Module: Scan Tool Information (6L90 (MYD))K71 Transmission Control Module: Scan Tool Information (10L1000 (MGM, MGU))	Automatic Transmission Controls Schematics - 6L90 (MYD) transmission Automatic Transmission Controls Schematics - 10L1000 (MGM MGU) transmission	Control Solenoid Valve and Transmission Control Module Assembly Replacement - 6L90 (MYD) transmission Transmission Control Module Replacement - 10L1000 (MGM MGU) transmission	K71 Transmission Control Module or Q8 Control Solenoid Valve Assembly: Programming and Setup (6L90 (MYD)) - 6L90 (MYD) transmission K71 Transmission Control Module: Programming and Setup (10L1000 (MGM MGU)) - 10L1000 (MGM MGU) transmission
K73	K73 Telematics Communication Interface Control Module: Scan Tool Information	OnStar/Telematics Schematics	Communication Interface Module Replacement	K73 Telematics Communication Interface Control Module: Programming and Setup
K84	Keyless Entry Control Module	Remote Function Schematics	Keyless Entry Control Module Replacement	K84 Keyless Entry Control Module: Programming and Setup
K89	Immobilizer Control Module	Immobilizer Schematics	Theft Deterrent Module Replacement (without BTM)Theft Deterrent Module Replacement (with BTM and Front Floor Console)Theft Deterrent Module Replacement (with BTM and Front Center Seat)	K89 Immobilizer Control Module: Programming and Setup
K111	Fuel Pump Power Control Module Scan Tool Information	Engine Controls Schematics - 6.6L (L8T) engine Engine Controls Schematics - 6.6L (L5P) Diesel engine	(AKA: Fuel Pump Driver Control Module) Fuel Pump Power Control Module Replacement (Chassis Cab)Fuel Pump Power Control Module Replacement (Crew Cab) - 6.6L (L8T) engine Fuel Pump Power Control Module Replacement (Chassis Cab)Fuel Pump Power Control Module Replacement (Crew Cab) - 6.6L (L5P) Diesel engine	K111 Fuel Pump Driver Control Module: Programming and Setup (AKA: Fuel Pump Driver Control Module)
K115	Reductant Control Module	Engine Controls Schematics - 6.6L (L5P) Diesel engine	Reductant Control Module Replacement (Crew Cab)Reductant Control Module Replacement (Chassis Cab)	K115 Reductant Control Module: Programming and Setup
K133	Trailer Brake Power Control Module	Trailering Systems Schematics	Trailer Brake Control Module Replacement (Chassis Cab)Trailer Brake Control Module Replacement (Crew Cab)	K133 Trailer Brake Power Control Module: Programming and Setup
K157	Video Processing Control Module	Image Display Camera Schematics	Video Processing Module Replacement	K157 Video Processing Control Module: Programming and Setup
K182	K182 Parking Assist Control Module: Scan Tool Information	Parking Assistance Systems Schematics	Parking Assist Control Module Replacement (Crew Cab, Double Cab)Parking Assist Control Module Replacement (Regular Cab)	K182 Parking Assist Control Module: Programming and Setup
K194	K194 Rear Gate Module Scan Tool Information	Endgate Schematics	Rear Gate Module Replacement	K194 Rear Gate Module: Programming and Setup
P16	P16 Instrument Cluster: Scan Tool Information	Instrument Cluster Schematics	Instrument Cluster Replacement	P16 Instrument Cluster: Programming and Setup
P29	Head-Up Display	Head-Up Display Schematics	Head-Up Display Replacement	P29 Head-Up Display: Programming and Setup
T3	T3 Audio Amplifier: Scan Tool Information	Radio/Navigation System Schematics Radio/Navigation System Schematics	Radio Speaker Amplifier Replacement	T3 Audio Amplifier: Programming and Setup