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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Image Display Camera System) >> Diagnostic Information And Procedures >> DTC B0010: Reverse Gear Signal Circuit >> Circuit/System Testing
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Circuit/System Testing

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the electrical connector: X2 @A11 Radio
  3. Apply the parking brake.
  4. Engine Running & Transmission in Reverse
  5. Verify a test lamp turns On between the test points:Control circuit terminal 13 & Ground
    • If the test lamp does not turn On 
    1. Ignition/Vehicle - Off & Remove - Test lamp
    2. Test for less than 2 ohms between the test points:Control circuit terminal 13 @Component harness & The other end of the circuit
      • If 2 ohms or greater - Repair the open/high resistance in the circuit.
      • If less than 2 ohms
    3. Test for infinite resistance between the test points:Control circuit terminal 13 & Ground
      • If less than infinite resistance - Repair the short to ground on the circuit.
      • If infinite resistance - Test or replace the component:K9 Body Control Module
    • Go to next step: If the test lamp turns On 
  6. Ignition/Vehicle & All vehicle systems - Off
  7. Disconnect the electrical connector: X7 @K9 Body Control Module
  8. Ignition - On / Vehicle - In Service Mode
  9. Test for less than 1 V between the test points: Control circuit terminal 13 & Ground
    • If 1 V or greater - Repair the short to voltage on the circuit.
  10. Replace the component:A11 Radio
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