Trouble-shooting information

Condition 

No diagnostic trouble codes are displayed.

Possible Source 

Rear doors: 

• Faulty relay
• Short circuit to ground/open circuit on lock unit ground/supply wire
• Faulty lock unit
• Fault in relay supply
• Defective fuse
• Defective switch (in boot lid handle)
• Open circuit on switch (in boot lid handle) signal/ground wire
• Fault in control unit
• Defective lock cylinder (mechanical fault).

Fault symptom[s] 

• The boot lid will not lock/open.