Diagnostic Trouble Code (DTC) Information
Condition
Diagnostic trouble code (DTC) TCM-009A is stored if the control module registers that the power supply is too low in comparison with the supply to the central electronic module (CEM).
Substitute value
- None.
Possible source
- Contact resistance or oxidation in the control module or transmission connectors.
Fault symptom[s]
- General orange warning lamp lit.