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RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Silverado 1500 2007–2021technical service bulletin

Bulletin 070842006P · NHTSA communication 10195150 · issued Apr 23, 2021

Technical service bulletin
communication type
Electrical System
component
2007–2021
model years
60
vehicle entries

Official summary

This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.