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

Test G: Shift Interlock System Does Not Release/Lock Properly



Pinpoint Tests G: Shift Interlock System Does Not Release/Lock Correctly

Normal Operation

The shift Tever will not come out of PARK unless the key is in the ON position and the brake pedal is depressed.

Possible Causes

If the range selector Tever does not release or lock, the cause may be:

^ Faulty brake pedal position (BPP) switch
^ Blown fuse
^ Short to ground
^ Short to open
^ Faulty shift lock actuator
^ Wiring, terminals or connectors