Diagnostic trouble code information

Condition 

If the rear electronic module registers no signal/signal too low on relay coil ground circuit diagnostic trouble code is displayed.

Substitute Value 

Nothing.

Possible Source 

• Oxidation of relay socket contacts.
• Relay is loose or missing.
• Faulty relay (open circuit/short circuit to ground in relay coil).
• Defective control unit.

Fault symptom[s] 

• A door does not lock/open.