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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System With Traction Control System - BOSCH 5.3 >> Diagnostic Tests >> DTC U1651: Chassis System Dedicated Bus Sensor Malfunction (Intrigue) >> Diagnosis

DTC U1651: Chassis System Dedicated Bus Sensor Malfunction (Intrigue): Diagnosis

  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. Turn ignition off. Disconnect steering angle sensor connector. Using DVOM, check ignition circuit (Pink wire) for open. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  3. Disconnect EBCM connector. Install Universal Pinout Box (J 39700) with Cable Adapter (J 39700-530) between EBCM and the EBCM connector. Disconnect steering angle sensor. Using DVOM, check ground circuit (Gray/Black wire) for open. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  4. Using DVOM, check CAN HI circuit (Tan/White wire) for open. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  5. Using DVOM, check CAN LO circuit (Tan wire) for open. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  6. Check steering angle sensor connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  7. Check EBCM connector for poor connections. If problem was found, repair as necessary. After repairs, go to step  12 . If problem was not found, go to next step.
  8. Perform steering angle sensor centering procedure. See STEERING ANGLE SENSOR CENTERING  under PROGRAMMING. If centering procedure was successfully completed, go to next step. If centering procedure was not successfully completed, go to step  10 .
  9. Using scan tool, clear DTCs. Test drive vehicle. See DIAGNOSTIC TEST DRIVE  under DTC C0252: ACTIVE BRAKE CONTROL SENSORS UNCORRELATED (INTRIGUE). If DTC U1651 reset, go to step  11 . If DTC U1651 did not reset, go to step  12 .
  10. Replace steering angle sensor. See appropriate STEERING COLUMNS article in STEERING. After repairs, go to step  12 .
  11. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to next step.
  12. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.