B0091 on Chevrolet Traverse
Factory diagnostic protocol and troubleshooting wire for fault code B0091 specifically for the Chevrolet Traverse (2020–2026, 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)).
1. Symptoms of B0091 on Chevrolet Traverse
When the Engine Control Module (ECM/PCM) on your Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)) logs fault code B0091, drivers commonly observe:
2. Most Likely Causes on Chevrolet Traverse
Historical warranty claims and technical repair bulletins for Chevrolet Traverse point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Chevrolet Traverse
Disconnect battery negative cable and wait 15 minutes to fully discharge SRS backup capacitors before touching airbag components. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).
Remove driver side door sill trim / lower B-pillar trim to access the yellow impact sensor. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).
Inspect sensor for water corrosion or cracked plastic housing. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).
Bolt new OEM side impact sensor into clean, rust-free ground location, torque bolt to spec, and click yellow locking connector firmly. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).
Reconnect battery, clear SRS trouble codes with an airbag-capable scanner, and verify light turns off after 5-second bulb check. on the Chevrolet Traverse equipped with 2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD).
Equipment for Diagnosing Chevrolet Traverse (B0091)
Chevrolet Traverse OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Chevrolet Traverse.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Chevrolet Traverse
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Chevrolet Traverse:
4. Chevrolet Traverse B0091 FAQs
What causes code B0091 to trigger on a Chevrolet Traverse?
On the Chevrolet Traverse (2.5L Turbo 4-Cyl (328HP) / 3.6L V6 (310HP AWD)), B0091 is most frequently caused by Corroded or damaged left side impact crash sensor (B-pillar or door sill) or Corroded wiring harness under driver seat / driver door sill.
Where is the OBD-II port located on my Chevrolet Traverse?
On the Chevrolet Traverse, the 16-pin DLC diagnostic connector is located Driver lower kick panel to the right of brake pedal. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Chevrolet Traverse with code B0091?
Caution. Side curtain and seat airbag deployment may be disabled in a side-impact collision. Given that B0091 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.