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September 27, 2016 Service bulletin

This preliminary information communication provides information to the technician about vehicle that may...

Chevrolet technical service bulletin PIP5427 for 2014-2016 Chevrolet Silverado 1500, 2015-2016 Chevrolet Tahoe and 2014-2016 GMC Sierra 1500 and others.

Bulletin number
PIP5427
Component
Engine
Summary
This preliminary information communication provides information to the technician about vehicle that may have a service engine soon malfunction indicator lamp on. Technician may find diagnostic trouble codes p2635, u0074 and or u18a2. Technician will need to follow published diagnostics for diagnostic trouble codes u0074 would take priority over u18a2 if both set before addressing dtc p2635.

Owners of these vehicles have filed 948 complaints in the engine category.

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