Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Chevrolet Avalanche 2007–2011technical service bulletin

Bulletin PIT-4900A · NHTSA communication 10036546 · issued Jun 1, 2010

Technical service bulletin
communication type
Electrical System
component
2007–2011
model years
25
vehicle entries

Official summary

Chevrolet/gmc: service trailer brake message with dtc(s) c1115, c1116, c1117, and/or c1118 (inspect wiring near parking brake pedal). This concern may be very intermittent and can occur with or without a trailer connected to truck. *pe

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.