Diagnostic Can C (+) And/Or Diagnostic Can C (-) Circuits High: Notes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Front Control Module Diagnostic CAN C (+) & (-) Circuit Schematic

Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

When Monitored:
When the scan tool queries the FCM.
Set Condition:
The scan tool has detected a shorted high condition on either or both Diagnostic CAN C circuits.

Possible Causes
(D72) DIAGNOSTIC CAN C (+) CIRCUIT SHORTED TO VOLTAGE
(D71) DIAGNOSTIC CAN C (-) CIRCUIT SHORTED TO VOLTAGE
FRONT CONTROL MODULE