Diagnostic Aids
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- An open 135 A fuse in the manual disconnect lever may cause this DTC to set.
- The current limit resistor is rated at 10 Ω.
- A negative HV contactor stuck closed will not affect the precharge sequence.
- A positive HV contactor stuck closed will also set DTC P0C77.
- The drive motor generator battery control module will start a precharge wait timer after failing 2 consecutive precharge events.