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HOMESERVICE MANUALSBUICK2018REGAL BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASIMAGE DISPLAY CAMERA SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B0010CIRCUIT/SYSTEM TESTING
2018 Buick Regal Base

Circuit/System Testing

2018 Buick Regal BaseSECTION Circuit/System Testing
  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.
      • Go to next step: 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
RENDER: 1.0x

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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.