Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

One Door Fails to Lock and Unlock From Any Switch

SYMPTOM
* ONE DOOR FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

POSSIBLE CAUSES
- Door unlock driver CKT short to voltage
- Door unlock driver circuit open
- Door lock driver open
- BCM defective door lock driver circuit
- BCM defective door unlock driver circuit
- Door latch linkage damaged
- Intermittent symptom selected