Diagnostic Trouble Code (DTC) Information ECM-530B

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 an incorrect parameter.

The diagnostic trouble code (DTC) can be diagnosed when driving under specific driving conditions.

Substitute Value 

• None.

Possible Source 

• Damaged engine control module (ECM)
• Damaged brake control module (BCM)
• Open-circuit or short-circuit in the CAN wiring.

Fault symptom[s] 

• Malfunction indicator lamp (MIL) lit.