B1B91 Chrysler Code - Driver Seat Track Position Sensor Configuration Mismatch
Quick Answer
The Occupant Classification Module (OCM) monitors the Driver Seat Track Position Sensor. Common causes include Faulty Driver Seat Track Position Sensor, Driver Seat Track Position Sensor harness is open or shorted, Driver Seat Track Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1B91 Chrysler indicates Driver Seat Track Position Sensor Configuration Mismatch.
- Common causes
- Common causes include Faulty Driver Seat Track Position Sensor, Driver Seat Track Position Sensor harness is open or shorted, Driver Seat Track Position Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1B91 Chrysler Description
What are the Possible Causes of the DTC B1B91 Chrysler?
- Faulty Driver Seat Track Position Sensor
- Driver Seat Track Position Sensor harness is open or shorted
- Driver Seat Track Position Sensor circuit poor electrical connection
- Faulty Occupant Classification Module (OCM)
How to Fix the DTC B1B91 Chrysler?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1B91 Chrysler code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B1B91 Chrysler Code
1. What does the OBDII code B1B91 mean on a Chrysler?
The B1B91 code indicates a "Driver Seat Track Position Sensor Configuration Mismatch," meaning the sensor's configuration or data is not recognized by the vehicle’s control module.
2. What are the common symptoms of the B1B91 code?
Symptoms may include an illuminated airbag warning light, malfunctioning seat position memory, or failure of the seat to adjust properly.
3. What causes the B1B91 code to appear?
Common causes include a faulty driver seat track position sensor, incorrect sensor installation, damaged wiring or connectors, or an improperly programmed control module.
4. Can the B1B91 code affect airbag deployment?
Yes, the driver seat track position sensor is used to determine airbag deployment force, so a malfunction may impact airbag functionality.
5. How do you diagnose the B1B91 code?
Diagnosis involves using a scan tool to check for additional codes, inspecting the seat track position sensor and wiring, and ensuring the sensor is installed and configured correctly.
6. How do you fix the B1B91 code?
Repairs may include replacing the driver seat track position sensor, repairing damaged wiring or connectors, or reprogramming the sensor in the vehicle’s control module.
7. Can I drive with the B1B91 code active?
While the car may still be drivable, it is not recommended since the airbag system could be compromised, posing a safety risk in a collision.
8. How much does it cost to fix the B1B91 code?
Repair costs vary depending on the issue but typically range from $100 to $300 for sensor replacement or wiring repairs, plus diagnostic fees.
9. Is the B1B91 code specific to Chrysler vehicles?
While it is common on Chrysler vehicles, similar codes can appear in other brands with similar seat position sensors.
10. Can the B1B91 code resolve itself?
It’s unlikely. The issue requires proper diagnosis and repair to ensure the sensor is functioning and configured correctly.
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