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August 1, 2015 Service bulletin

Chevrolet: due to software anomaly, speedometer will go blank or trip odometer fails to increase

Chevrolet technical service bulletin PI-1530 for 2015 Chevrolet Trax and 2015 Chevrolet Sonic.

Bulletin number
PI-1530
Component
Electrical system: software
Summary
Chevrolet: due to software anomaly, speedometer will go blank or trip odometer fails to increase. Software calibration has been reprogram for instrument cluster. Model 2015 sonic, trax.

Owners of these vehicles have filed 57 complaints in the electrical category.

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