Controller Failure

Symptom:
CONTROLLER FAILURE

When Monitored:
Ignition on. The CAB monitors its internal microprocessors for correct operation.

Set Condition:
If the CAB detects an internal fault, the DTC is set.

Test 1-3:

Test 4:

POSSIBLE CAUSES
- GROUND AND POWER CONNECTIONS
- GROUND CIRCUIT HIGH RESISTANCE
- GROUND CIRCUIT INTERFERENCE
- CAB - INTERNAL FAILURE