Diagnostic Trouble Code (DTC) Information ECM-530C

Condition 

Internal functions in the engine control module (ECM) check important parameters.

The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the speed has exceeded a maximum value.

Substitute Value 

• None.

Possible Source 

• Faulty speed signal from the brake control module (BCM)
• Faulty speed signal from the transmission control module (TCM).

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit.