Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
Low voltage or a momentary loss of power or ground to the ECM may cause a DTC to set.
- Verify that the battery cables are clean and tight, and the battery is fully charged. Refer to Battery Inspection/Test .
- Verify the ECM ground circuits do not have an open or high resistance.
- Verify the ECM power circuits do not have an open, short to ground, or high resistance.