Diagnostic Trouble Code (DTC) Information ECM-530D

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 not changed over a certain number of seconds.

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.