Diagnostic Aids
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
Low voltage or a momentary loss of power or ground to the transmission control module may cause this DTC to set. Verify the following:
- The battery cables are clean and tight and the battery is fully charged. Refer to Battery Inspection/Test .
- The transmission control module ground circuits do not have an open or high resistance.
- The transmission control module power circuits do not have an open, short to ground or high resistance.