Circuit/System Verification
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Passenger Presence Module can set DTC 1066-1068 when the system voltage drops below 8 V.
- Ignition OFF, measure and record the battery voltage at the battery terminals. The battery voltage should stabilize between 12.4 and 12.8 V within a few minutes of turning the ignition OFF.
- If not within the specified range, refer to Battery Inspection/Test
- Engine running, accessories OFF, measure and record the battery voltage at the battery terminals. The voltage should be at least 1 volt greater than the voltage measured in step 1 but less than 15 V.
- If not within the specified range, refer to DTC 1066-1068