Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 108 (DRIVER ASSISTANCE SYSTEMS)
2020 GMC Acadia SL
Section 108 (Driver Assistance Systems)
2020 GMC Acadia SLSECTION Section 108 (Driver Assistance Systems)
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic Wiring Diagrams
- Driver Assistance Systems Wiring Schematics
- Lane Keep Assist and Forward Collision - Module Power, Ground, and Serial Data (UEU and UHX)
- Collision Alert Indicators and Safety Seat (UEU and UHX)
- Rear Cross Traffic Alert (UFG) and Side Object Detection (UKC+GMC)
- Rear Cross Traffic Alert (UFG) and Side Object Detection (UKI+Holden)
- Collision Avoidance - Module Power, Ground, and Serial Data (UGN)
- Collision Avoidance - Long Range and Rear Short Range Radars (UGN)
- 360 Degree Vision - Module Power, Ground, Serial Data, and Camera Signals (UVH)
- Driver Assistance Systems Wiring Schematics
- Diagnostic Information and Procedures
- DTC B094B or B094C
- DTC B094D or B094E
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B0987
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B1011
- DTC B1015
- DTC B101D (Frontview Camera Module or Frontview Camera - Windshield)
- DTC B172E or B172F
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B356A
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC B390A
- DTC B390C
- DTC B390D
- DTC P15F6
- DTC P15F7
- Symptoms - Driver Assistance Systems
- Adaptive Cruise Control Malfunction
- Seat Haptic Signal Motor Malfunction
- Forward Collision Alert System Malfunction
- Forward Collision Alert System Malfunction (UGN with KSG Only)
- Rear Cross Traffic Alert System Malfunction
- Side Blind Zone Alert System Malfunction
- Lane Departure Warning System Malfunction
- Lane Keep Assist System Malfunction
- Repair Instructions
- Lane Keep Assist Switch Replacement
- Front Seat Lane Departure Warning Actuator Replacement
- Forward Range Radar Bracket Replacement
- Forward Range Radar Sensor Replacement
- Active Safety Control Module Replacement
- Active Safety Control Module Bracket Replacement
- Forward Collision Alert Display Replacement
- Side Object Sensing Alert Module Replacement
- Front View Driver Information Camera Bracket Replacement
- Front View Camera Replacement
- Front View Camera Module Learn
- Radar Sensor Module - Long Range Learn
- Description and Operation
- Active Safety System Description and Operation
- Adaptive Cruise Control Description and Operation
- Cross Traffic Alert Description and Operation
- Forward Collision Alert Description and Operation
- Lane Departure Warning Description and Operation
- Lane Keep Assist Description and Operation
- Safety Alert Seat Description and Operation
- Side Blind Zone Alert Description and Operation
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.