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Antilock Brake System (ABS): 1025
1025-PCM NOT IDENTIFIED OR INCORRECT
When Monitored and Set Condition
^ When Monitored: Continuous.
^ Set Condition: If the Controller Antilock Brake (CAB) cannot recognize the Powertrain Control Module (PCM) message, the DTC is set.
POSSIBLE CAUSES
- CONTROLLER ANTILOCK BRAKE (CAB)
For a complete Antilock Brake System (ABS) Circuit Diagram, (Refer to - BRAKES/ELECTRICAL - SCHEMATICS AND DIAGRAMS).
Diagnostic Test
1. WITH THE DRBIII READ DTCs
Turn the ignition on. With the DRBIII, erase DTCs. Turn the ignition off. Turn the ignition on.
Start the engine.
CAUTION: Ensure braking capability is available before road testing. Drive the vehicle above 16 km/h (10 MPH) for at least 20 seconds. Stop the vehicle. With the DRBIII, read DTCs.
Does the DRBIII display a PCM Not Identified or Incorrect DTC?
Yes >> Replace the Controller Antilock Brake (CAB) Module. Perform ABS VERIFICATION TEST. ABS Verification Test
No >> The condition that caused this DTC to set is currently not present. Perform ABS VERIFICATION TEST. ABS Verification Test