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PCM Not Identified or Incorrect


PCM NOT IDENTIFIED OR INCORRECT

When Monitored and Set Condition
^ When Monitored: Continuous.
^ Set Condition: If the Controller Antilock Brake (CAB) detects an invalid Powertrain Control Module (PCM), the DTC is set.





For a complete Brake Assist System (BAS) Circuit Diagram refer to Diagrams; Electrical
Diagnostic Test
1. WITH THE DRB III, READ DTCs
Turn the ignition on.





With the DRB III, 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 10 MPH for at least 20 seconds.
Stop the vehicle.
With the DRB III, read DTCs.
Does the DRB III display a PCM Not Identified or Incorrect DTC?
Yes >> Replace the Controller Antilock Brake. Perform ABS VERIFICATION TEST.
No >> The condition that caused this DTC to set is currently not present. Perform ABS VERIFICATION TEST. ABS Verification Test