Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of this DTC are as follows:
- CAN HI and CAN LO circuits shorted together.
- CAN HI or CAN LO circuit shorted to ground.
- CAN HI or CAN LO circuit shorted to voltage.