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July 13, 2021 Service bulletin

This Preliminary information communicates that a vehicle may come into the dealer with various concerns...

Chevrolet technical service bulletin PIT5847 for 2019-2021 Chevrolet Blazer.

Bulletin number
PIT5847
Component
Electrical system: wiring
Summary
This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray. If damage to the harness is found the technician is instructed to repair the damaged wiring and secure the harness away from the bracket so that future damage to the harness will be eliminated.

Owners of these vehicles have filed 180 complaints in the electrical category.

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