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GMC TSB #PIP4101B
2007 GMC Sierra 2500
TSB Document:
Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have a Service 4WD light on and the system inoperative. Technician may find Diagnostic Trouble Code B2725 set. Technician will need to replace the transfer case dash switch.
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