B1046 on 2021-2024 Jeep Grand Wagoneer — Occupant Classification / Restraint Sensor Circuit Fault
1 vehicles · 1 makes · $350-$1,400 repair
Most Reported On
B1046 is an OBD-II diagnostic trouble code meaning “Occupant Classification / Restraint Sensor Circuit Fault.” B1046 is a manufacturer-specific body code most commonly associated with the supplemental restraint (airbag) system, typically a fault in the occupant classification system (passenger seat weight/presence sensing) or a related restraint sensor unit. The airbag control module has detected a sensor or circuit reading outside its expected range. Because this is a safety-restraint code, the airbag warning light is usually on and passenger airbag deployment behavior may be affected. Exact meaning varies by maker, so confirm with vehicle-specific data. This code is most commonly reported on 2021-2024 Jeep Grand Wagoneer, with repair costs ranging from $350 to $1,400.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose B1046, 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
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FAQ
What does B1046 mean?
B1046 stands for "Occupant Classification / Restraint Sensor Circuit Fault." B1046 is a manufacturer-specific body code most commonly associated with the supplemental restraint (airbag) system, typically a fault in the occupant classification system (passenger seat weight/presence sensing) or a related restraint sensor unit. The airbag control module has detected a sensor or circuit reading outside its expected range. Because this is a safety-restraint code, the airbag warning light is usually on and passenger airbag deployment behavior may be affected. Exact meaning varies by maker, so confirm with vehicle-specific data.
What are the most common causes of B1046?
The most common causes of B1046 are: Faulty passenger seat occupant weight/classification sensor, Damaged wiring or connector under the seat, Faulty airbag/restraint control (sensor) module, Aftermarket seat covers or items affecting seat sensing, Loose or corroded connector at the seat harness, System needs recalibration after seat or sensor service. The specific cause varies by vehicle.
How much does it cost to fix B1046?
Repair costs for B1046 range from $350 to $1,400, depending on the vehicle and root cause.
Which vehicles are affected by B1046?
Au7o has documented B1046 across 1 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.