B1B02: Driver Airbag Squib 1 Circuit Open (manufacturer-specific)
2 vehicles · 1 makes · $150-$1,200 repair
Most Reported On
B1B02 is an OBD-II diagnostic trouble code meaning “Driver Airbag Squib 1 Circuit Open (manufacturer-specific).” B1B02 is a manufacturer-specific body (B) code used notably by Chrysler/Dodge to indicate an open circuit in the driver airbag squib (the igniter that deploys the airbag). The restraints control module continuously monitors this circuit, and an open means the driver airbag may not fire in a crash. The airbag warning light is typically on. This is safety-critical and is usually caused by a wiring, clockspring, or connector fault. Confirm against the specific vehicle's service data, as B-code meanings vary by maker. This code is most commonly reported on 2022-2024 Jeep Grand Cherokee, and 2000-2006 Jeep Wrangler, with repair costs ranging from $150 to $1,200.
Common Causes
Typical Repair Cost
Based on 2 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose B1B02, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
FAQ
What does B1B02 mean?
B1B02 stands for "Driver Airbag Squib 1 Circuit Open (manufacturer-specific)." B1B02 is a manufacturer-specific body (B) code used notably by Chrysler/Dodge to indicate an open circuit in the driver airbag squib (the igniter that deploys the airbag). The restraints control module continuously monitors this circuit, and an open means the driver airbag may not fire in a crash. The airbag warning light is typically on. This is safety-critical and is usually caused by a wiring, clockspring, or connector fault. Confirm against the specific vehicle's service data, as B-code meanings vary by maker.
What are the most common causes of B1B02?
The most common causes of B1B02 are: Faulty clockspring (steering column connection), Open or damaged wiring in the driver airbag circuit, Poor or corroded connector at the airbag, Faulty driver airbag module, Faulty restraints/occupant control module, Disturbed connector after steering or airbag service. The specific cause varies by vehicle.
How much does it cost to fix B1B02?
Repair costs for B1B02 range from $150 to $1,200, depending on the vehicle and root cause.
Which vehicles are affected by B1B02?
Au7o has documented B1B02 across 2 vehicle models from 1 manufacturers: Jeep.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.