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April 14, 2016 Service bulletin

This preliminary information communication advises the technician on the steps for diagnosing the concern

Chevrolet technical service bulletin PIP-5198-B for 2015 Chevrolet Silverado 1500 and 2015 GMC Sierra 1500.

Bulletin number
PIP-5198-B
Component
Engine and engine cooling: exhaust system: emission control
Summary
This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may have warning lamps and/or mil illuminated with a diesel exhaust fluid (def) message displayed on the cluster. Wiring harness repair instructions are provided.

Owners of these vehicles have filed 228 complaints in the engine category.

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