Controller Failure

Tests 35 Through 39:

Symptom:
CONTROLLER FAILURE

When Monitored:

1. Ignition on.
2. The CAB monitors its own internal microprocessors for proper operation.

Set Condition:
If an error occurs within the microprocessor, the diagnostic trouble code (DTC) is set.

Possible Causes
CAB CONNECTOR OBSERVABLE DEFECT
CAB DEFECTIVE
CAB GROUND CIRCUIT(S) OPEN (2)
CAB GROUND CIRCUIT(S) OPEN (1)
VEHICLE ACCESSORIES CONNECTIONS OBSERVABLE DEFECT