LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2020 >> Terrain SL >> Repair and Diagnosis >> General Information >> Reset Procedures >> 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

Reference Information

Code Control Module/Scan Tool Information Schematic Repair Instruction Programming and Setup
A11 A11 Radio : Scan Tool Information Radio/Navigation System Schematics (IOS/IOT/IOU) , or Radio/Navigation System Schematics (IOR) Radio Replacement (IO5, IO6, IOB, IOR) , or Radio Replacement (IOS, IOT, IOU) A11 Radio : Programming and Setup 
A22   Radio/Navigation System Schematics (IOS/IOT/IOU) , or Radio/Navigation System Schematics (IOR) Radio Control Assembly Replacement (Equinox) , or Radio Control Assembly Replacement (Terrain) A22 Radio Controls : Programming and Setup 
B174W B174W Frontview Camera - Windshield : Scan Tool Information Driver Assistance Systems Schematics Front View Camera Replacement B174W Frontview Camera - Windshield : Programming and Setup 
B218R/L Driver Assistance Systems Schematics Side Object Sensing Alert Module Replacement
K9 K9 Body Control Module : Scan Tool Information Body Control System Schematics Body Control Module Replacement (Equinox) , or Body Control Module Replacement (Terrain) 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 (Gasoline Engine) , or K20 Engine Control Module : Scan Tool Information (Diesel Engine) K20 Engine Control Module : Programming and Setup 
K29F Seat Heating Control Module - Front Heated/Cooled Seat Schematics Front Seat Heater Vent Control Module Replacement K29F Seat Heating Control Module - Front : Programming and Setup 
K29R Seat Heating Control Module - Rear Heated/Cooled Seat Schematics Rear Seat Heater Control Module Replacement K29R Seat Heating Control Module - Rear : Programming and Setup 
K32 Steering Wheel Heating Control Module Steering Wheel Schematics Heated Steering Wheel Module Replacement (Equinox) , or Heated Steering Wheel Module Replacement (Terrain) K32 Steering Wheel Heating Control Module : Programming and Setup 
K33 K33 HVAC Control Module : Scan Tool Information K33 HVAC Control Module : Programming and Setup 
K36 K36 Inflatable Restraint Sensing and Diagnostic Module : Scan Tool Information SIR Schematics Airbag Sensing and Diagnostic Module Replacement (Equinox) , or Airbag Sensing and Diagnostic Module Replacement (Terrain) K36 Inflatable Restraint Sensing and Diagnostic Module : Programming and Setup 
K39 K39 Liftgate Control Module : Scan Tool Information Liftgate Schematics Accessory and Liftgate Control Module Replacement K39 Liftgate Control Module : Programming and Setup 
K40D 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 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 Schematics Rear Differential Clutch Control Module Replacement K47 Rear Differential Clutch Control Module : Programming and Setup 
K56 Serial Data Gateway Module Data Communication Schematics Serial Data Gateway Module Replacement (Equinox) , or Serial Data Gateway Module Replacement (Terrain with MNH, NMK, or MHG) , or Serial Data Gateway Module Replacement (Terrain with M3U, M3D, or M3H) K56 Serial Data Gateway Module : Programming and Setup 
K61 Sunroof Control Module Sunroof Schematics Sunroof Window Motor Replacement K61 Sunroof Control Module : Programming and Setup 
K62 Sunroof Sunshade Control Module Sunroof Schematics Sunroof Sunshade Motor Replacement K62 Sunroof Sunshade Control Module : Programming and Setup 
K71 K71 Transmission Control Module : Scan Tool Information (6T40 (MNH, MNK) or 6T45 (MHG)) , or K71 Transmission Control Module : Scan Tool Information (9T45 (M3U) or 9T50 (M3D, M3H)) , or K71 Transmission Control Module : Scan Tool Information (6T40 (MNH, MNK) or 6T45 (MHG)) , or K71 Transmission Control Module : Scan Tool Information (9T45 (M3U) or 9T50 (M3D, M3H))
K73 K73 Telematics Communication Interface Control Module : Scan Tool Information OnStar/Telematics Schematics Communication Interface Module Replacement (Equinox) , or Communication Interface Module Replacement (Terrain with IOS, IOT, IOU) , or Communication Interface Module Replacement (Terrain with IOR) K73 Telematics Communication Interface Control Module : Programming and Setup (without UDA) , or K73 Telematics Communication Interface Control Module : Programming and Setup (UDA) 
K84 K84 Keyless Entry Control Module : Scan Tool Information Remote Function Schematics Keyless Entry Control Module Replacement (Equinox) , or Keyless Entry Control Module Replacement (Terrain) K84 Keyless Entry Control Module : Programming and Setup 
K89 Immobilizer Control Module Immobilizer Schematics Theft Deterrent Module Replacement (Equinox) , or Theft Deterrent Module Replacement (Terrain) K89 Immobilizer Control Module : Programming and Setup 
K111 Fuel Pump Power Control Module Scan Tool Information Fuel Pump Power Control Module Programming and Setup 
K157 K157 Video Processing Control Module : Scan Tool Information , or K157 Video Processing Control Module : Scan Tool Information Image Display Camera Schematics Video Processing Module Replacement (Equinox) , or Video Processing Module Replacement (Terrain) K157 Video Processing Control Module : Programming and Setup ((UV2)) 
K166L/R Multifunction LED Control Module Headlights/Daytime Running Lights (DRL) Schematics Front Headlamp Replacement (Chevrolet) , or Front Headlamp Replacement (GMC)
K171 Hands-Free Liftgate Sensor Control Module
Refer to :
K39 Liftgate Control Module : Scan Tool Information
Liftgate Schematics Rear Closure Hands Free Module Replacement K171 Hands-Free Liftgate Sensor Control Module : Programming and Setup 
K182 K182 Parking Assist Control Module : Scan Tool Information Parking Assistance Systems Schematics Parking Assist Control Module Replacement (Equinox) , or Parking Assist Control Module Replacement (Terrain) K182 Parking Assist Control Module : Programming and Setup 
P16 P16 Instrument Cluster : Scan Tool Information Instrument Cluster Schematics Instrument Cluster Replacement (Equinox) , or Instrument Cluster Replacement (Terrain) P16 Instrument Cluster : Programming and Setup (Equinox) , or P16 Instrument Cluster : Programming and Setup (Terrain) 
T3 T3 Audio Amplifier : Scan Tool Information Radio/Navigation System Schematics (IOS/IOT/IOU) , or Radio/Navigation System Schematics (IOR) Radio Speaker Amplifier Replacement (Equinox) , or Radio Speaker Amplifier Replacement (Terrain) T3 Audio Amplifier : Programming and Setup