Diagnostic Aids
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of this DTC are the following conditions:
- A loss of battery ground
- A disconnected battery
- A running reset
- A running reset is detected when the keep alive memory check sum is not updated properly.
- A sudden drop in the system voltage to less than 5 volts
- Long extended engine cranks that cause the battery voltage to drop
- Poor power or ground connections
- An internal EBCM malfunction