A/T - Won't Shift Out of PARK/DTC's Set

37 07 10

May 2, 2007

2014921





Affected Vehicles

Condition

Transmission, Will Not Shift Out of Park

Customer may state that the transmission will not shift out of Park.





Symptom may be accompanied by No Communication from Transmission Control Module (TCM) DTCs from table shown.

Technical Background

Fuse SC30 and/or SC14 may be open, missing or not properly seated. Poor or corroded power and / or ground connections.

Production Solution

No Production change required.

Service

Testing Power Supply and Grounds

Tip:

Ensure the proper operation of the shift interlock before beginning diagnostics.

















Diagnostic Flow Charts/Tables 1A and 1B/Figure 1

No Communication from TCM





Are any of the DTC shown stored in Fault Memory?

^ Yes: Follow Guided Fault Finding Test Plan for repair.








Use the tables shown for correct Pin assignment.

Warranty

Information Only

Required Parts and Tools

No Special Tools required.

No Special Parts required.

Additional Information

All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and Repair Manuals for the latest information.