B0085 on Chevrolet
GM left front side impact sensor circuit fault
Severity: Inspect soon
The airbag light means the system found a fault, and owner's manuals say to have it checked promptly because the airbags may not work as designed; this code concerns a side crash sensor.
This page covers only what differs on Chevrolet. For what B0085 means, the ranked causes and the test order, see the B0085 guide.
What's different on Chevrolet
ChevroletYour car
2010–2013 · Silverado 1500
Supported by vehicle dataOwner readouts of B0085 as a left front side impact sensor fault, with an open harness at the driver door; one replaced the sensor with no change.
2015 · Traverse
Supported by vehicle dataA shop found B0085:05 current and an open circuit inside the driver door harness.
2007–2008 · Tahoe
Possible — needs testingGM bulletin 4132 covers an SIR light with B0085 through B0088. The NHTSA summary does not say what the codes mean on these model years.
4132 (chevrolet)Status unverified
SIR light on, DTCs B0085-B0088
2007–2008avalanche, silverado-1500, silverado-2500-hd, silverado-3500-hd, suburban, suburban-hd, tahoe · issued · NHTSA 10023755
Covers an SIR light with DTCs B0085, B0086, B0087 and B0088 on 2007-2008 GM full-size trucks and SUVs. The NHTSA summary does not give the cause, the repair or what the codes mean.
We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.
PIT-4662 (chevrolet)Status unverified
SIR MIL with DTC B0084 and/or B0085
2003–2007avalanche, suburban, tahoe · issued · NHTSA 10026744
Covers an SIR indicator with DTC B0084 and/or B0085 on 2003-2007 GM trucks and SUVs, attributed to broken seat position sensor wiring under the front seats. This is a different description than the side impact sensor meaning seen on 2010 and later vehicles.
We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.
Sources and review
- NHTSA complaint ODI 10871745 (2010 Chevrolet Silverado 1500)
- NHTSA complaint ODI 11210477 (2012 Chevrolet Silverado 1500)
- NHTSA complaint ODI 11704050 (2015 Chevrolet Traverse)
- GM bulletin 4132: SIR light on, DTCs B0085, B0086, B0087 and B0088
- 2023 Accord Owner's Manual: Airbag System Indicators
- Camry Owner's Manual (OM06291U)
- Nissan Supplemental Restraint Systems: damage analysis and repair using Diagnostic Trouble Codes (TechNews, Summer 2016)
- Last reviewed
- Written by
- Saurabh K.
- Editorial review
- Pending
- Technician review
- Technician review pending
This page explains what a code usually means; it is not a substitute for a professional inspection. How we source and review · Report an error