GMC TSB #4016
2007 GMC Sierra 2500
Affected Component: ELECTRICAL SYSTEM:IGNITION:SWITCH
- TSB Document
-  - Sorry, the NHTSA has not posted this TSB document yet.
 You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 4016. 
- Summary
- DELAYED OR EXTENDED CRANKING DTC P1682. *KB
