Diagnostic trouble code (DTC) information ECM-810D

Condition 

The engine control module (ECM) checks the 5 volt cable which supplies components with power. If the voltage at the 5 volt cable is lower than a certain value, the engine control module (ECM) interprets this as a fault and a diagnostic trouble code (DTC) is stored.

The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute Value 

• None.

Possible Source 

• Short-circuit to ground in 5-volt supply cable
• Damaged sensor connected to the 5 volt supply cable.

Fault symptom[s] 

• Poor performance.