Diagnostic Trouble Code (DTC) Information

Condition 

The rear electronic module checks the output signal to the relay coil for relay 2/158.

Diagnostic trouble code (DTC) REM-6A03 is stored if the rear electrical module registers that the output signal to the relay coil is missing or too low.

Diagnostic trouble code (DTC) REM-6A03 can be diagnosed when relay 2/158 is not activated.

Substitute Value 

• None.

Possible Source 

• Oxidation on the relay base switches
• The relay is loose or missing
• Defective relay.

Fault symptom[s] 

• Does not lock / unlock a door
• Does not lock / unlock the fuel tank filler cap
• Does not lock or unlock the trunk lid.