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

No Response From Sentry Key Immobilizer Module

Test 1 - 4:




Test 5 - 6:






SYMPTOM
NO RESPONSE FROM Sentry Key Immobilizer Module

POSSIBLE CAUSES
- Attempt To Communicate With The MIC
- Ground Circuit Open
- Fused Ignition Switch Output Circuit Open
- Fused B(+) Circuit Open
- Open PCI Bus Circuit
- Sentry Key Immobilizer Module