Test Description
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2: Verify that the Lateral Acceleration and Yaw Rate Signal parameter is within the valid range.
- 3: Perform the Steering Position Sensor Test in order to verify that the SWPS is operating properly.
DTC C0253 or C0254
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: ABS Schematics | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
IMPORTANT:
If present, diagnose any other vehicle stability enhancement system (VSES) DTCs first. Wheel alignment issues should be corrected before diagnosis of this DTC.
|
2.3-2.7 V | Go to Step 3 | Go to Step 6 |
| 3 | Perform the Steering Wheel Position Test. Did the steering wheel position sensor (SWPS) pass the test? |
- | Go to Step 4 | Go to Step 5 |
| 4 | Replace the electronic brake control module (EBCM). Refer to Control Module References
in Computer/Integrating Systems for replacement, setup and programming. Did you complete the replacement? |
- | Go to Step 7 | - |
| 5 | Replace the SWPS. Refer to Steering Wheel Position Sensor or Steering Shaft Lower Bearing Replacement
in Steering Wheel and Column. Did you complete the replacement? |
- | Go to Step 7 | - |
| 6 | Replace the yaw rate/lateral accelerometer sensor. Refer to Yaw Rate Sensor/Lateral Accelerometer Replacement . Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 |
|
- | Go to Step 2 | System OK |