Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-531D

Condition
The diagnostic trouble code (DTC) is stored in the engine control module (ECM) if the engine control module (ECM) registers that the transmission control module (TCM) has transmitted a request to the central electronic module (CEM) to flash the malfunction indicator lamp (MIL).
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
None.

Possible source
- Fault trace the transmission control module (TCM).

Fault symptom[s]
- None.