Circuit/System Verification
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
- Engine running measure and record the voltage at the battery terminals. Verify that the battery voltage is 12.5-15.5 V.
- If the battery voltage is not within the specified range, refer to Charging System Test .
- Engine running, observe the scan tool Battery Positive Voltage parameter in the data list of the module setting the DTC. The reading should be between 12.6 and 15.5 V.