CAB Check Sum
Symptom:CAB CHECK SUM
When Monitored and Set Condition:
When Monitored: Ignition On - Once
Set Condition: When the sum of all storage bytes are not equal to the original sum stored.
POSSIBLE CAUSES
^ INTERMITTENT CAB CHECK SUM DTC
^ DAMAGED CAB/CAB HARNESS CONNECTOR
^ FUSED OPTIONAL EQUIPMENT RELAY OUTPUT CIRCUIT OPEN
^ FUSED B(+) CIRCUIT OPEN
^ GROUND CIRCUIT OPEN
^ ANTI-LOCK BRAKE CONTROLLER
