C0042-62

C0042-62-BRAKE PEDAL POSITION SENSOR - SIGNAL COMPARE FAILURE





For a complete wiring diagram, refer to the Wiring Information .

- When Monitored:
Ignition on, the first two minutes of driving above 40 km/h (25 mph).

- Set Condition:
If Anti-lock Brake System (ABS) Module did not see the correct conditions to ensure proper system operation in the first two minutes of driving.





NOTE: If any other DTCs are present, repair them first before continuing with this diagnostic procedure.

1. INITIALIZE ANTI-LOCK BRAKES SYSTEM (ABS) MODULE
1. Turn the ignition on.
2. With the scan tool, read and record the ABS DTCs.

WARNING: To avoid possible serious or fatal injury, check brake capability is available before road testing.

3. Initialize the ABS Module, Perform the ABS VERIFICATION TEST. ABS Verification Test.

NOTE: The ABS Module Initialization process must include driving the vehicle into a 90° turn.

4. Park the vehicle.

Was the ABS Module initialization successful?

Yes

- Go To 2

No

- Perform the ABS Module Initialization routine again, if still unsuccessful.
- Go To 3

2. VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, erase the DTCs.

WARNING: To avoid possible serious or fatal injury, check brake capability is available before road testing.

3. Test drive the vehicle by turning the vehicle left and right in a curving manner at a velocity between 15 and 35 km/h (9 and 22 mph).
4. Park the vehicle.
5. With the scan tool, read ABS DTCs.

Is the DTC active at this time?

Yes

- Go To 3

No

- Test complete.

3. BRAKE PEDAL POSITION (BPP) SENSOR
1. Turn the ignition off to the lock position.
2. Replace the Brake Pedal Position Sensor.
3. Perform the ABS VERIFICATION TEST. ABS Verification Test.

WARNING: To avoid possible serious or fatal injury, check brake capability is available before road testing.

4. Test drive the vehicle by turning the vehicle left and right in a curving manner at a velocity between 15 and 35 km/h (9 and 22 mph).
5. With the scan tool, read the DTCs.

Does the DTC remain active?

Yes

- Replace the Anti-Lock Brake System (ABS) Module. Anti-Lock Brake System Module - Removal.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.

No

- Test complete.