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DTC C0187: Lateral Accelerometer Circuit Range/Performance (Intrigue): Diagnosis

WARNING: This page is about a different car, the 2001 Pontiac Grand Prix, 2001 Pontiac Firebird, 2001 Oldsmobile Intrigue, and 2001 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. Go to next step.
  2. Perform STEERING ANGLE SENSOR CENTERING  procedure under PROGRAMMING. If centering procedure was completed successfully, go to next step. If centering procedure was not completed successfully, go to step  7 .
  3. Turn ignition off. Disconnect EBCM connector. Install Universal Pinout Box (J 39700) with Cable Adapter (J 39700-530) between EBCM and EBCM connector. Turn ignition on, engine off. Using DVOM, measure voltage between universal pinout box terminals No. 10 (Light Blue wire) and No. 15 (Black/White wire). If voltage is 2.3-2.7 volts, go to next step. If voltage is not 2.3-2.7 volts, go to step  8 .
  4. Using DVOM, measure voltage between universal pinout box terminals No. 26 (Dark Blue wire) and No. 15 (Black/White wire). If voltage is 2.3-2.7 volts, go to next step. If voltage is not 2.3-2.7 volts, go to step  8 .
  5. Using scan tool, clear DTCs. Perform DIAGNOSTIC TEST DRIVE  . If DTC resets, go to next step. If DTC does not reset, see DIAGNOSTIC AIDS  .
  6. Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION. After repairs, go to step  9 .
  7. Replace steering angle sensor. See appropriate STEERING COLUMNS article in STEERING. After repairs, go to step  9 .
  8. Replace yaw/lateral accelerometer sensor. See YAW/LATERAL ACCELEROMETER SENSOR (INTRIGUE)  under REMOVAL & INSTALLATION. After repairs, go to next step.
  9. Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.
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