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February 14, 2017 Service bulletin

Electrical system: software

Chevrolet technical service bulletin PIP5217B for 2014 Chevrolet Silverado 1500, 2015 Chevrolet Tahoe and 2015 Chevrolet Suburban and others.

Bulletin number
PIP5217B
Component
Electrical system: software
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have a service 4 wheel drive message and the transfer case is stuck in neutral. Technician may find Diagnostic Trouble Code C0398 set in the Transfer Case Control Module. Technician should verify if the vehicle was dinghy towed the vehicle using the owner’s manual procedure. If the vehicle has a C0398 after this type of procedure then performing SUB15304 will correct the condition.

Owners of these vehicles have filed 776 complaints in the electrical category.

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