B1BB5 Chrysler Code - Passenger Air Bag Disable Switch Circuit Open
Quick Answer
When the ignition is on, the Passenger Airbag MUX Switch Sense circuit supplies a 3 to 10 ms pulse every 100 ms across the On or Off switch resistor to the Passenger Airbag MUX Switch Return circuit. Common causes include Faulty Passenger Air Bag Disable Switch, Passenger Air Bag Disable Switch harness is open or shorted, Passenger Air Bag Disable Switch 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
- B1BB5 Chrysler indicates Passenger Air Bag Disable Switch Circuit Open.
- Common causes
- Common causes include Faulty Passenger Air Bag Disable Switch, Passenger Air Bag Disable Switch harness is open or shorted, Passenger Air Bag Disable Switch 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 B1BB5 Chrysler Description
What are the Possible Causes of the DTC B1BB5 Chrysler?
- Faulty Passenger Air Bag Disable Switch
- Passenger Air Bag Disable Switch harness is open or shorted
- Passenger Air Bag Disable Switch circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How to Fix the DTC B1BB5 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 B1BB5 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.
Need more information about the B1BB5 Chrysler code?
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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 B1BB5 Chrysler Code
1. What does OBDII code B1BB5 Chrysler mean?
This code indicates a Passenger Air Bag Disable Switch Circuit Open, which means there is an issue with the circuit that controls the passenger airbag disable switch.
2. What are the common symptoms of OBDII code B1BB5 Chrysler?
Common symptoms include the airbag warning light staying on, the passenger airbag being disabled, and potential loss of functionality in the airbag system.
3. What are the possible causes of the Passenger Air Bag Disable Switch Circuit Open code?
Possible causes include a faulty passenger airbag disable switch, damaged wiring or connectors in the circuit, or a malfunctioning airbag control module.
4. How can I diagnose the issue causing OBDII code B1BB5 Chrysler?
Diagnosis usually involves inspecting the passenger airbag disable switch, checking the wiring and connectors for damage, and using a scan tool to read the specific fault codes stored in the system.
5. Can I still drive my vehicle with the B1BB5 code present?
It is not recommended to drive with the B1BB5 code present as it indicates a potential issue with the passenger airbag system, which is a critical safety component in your vehicle.
6. How can I repair the Passenger Air Bag Disable Switch Circuit Open issue?
Repairing the issue may involve replacing the passenger airbag disable switch, repairing damaged wiring or connectors, or resetting the airbag control module after the problem is fixed.
7. Is it safe to reset the OBDII code B1BB5 Chrysler without fixing the underlying issue?
Resetting the code without fixing the underlying issue is not recommended, as it may lead to continued safety risks and potential airbag system malfunctions.
8. Are there any DIY tips for troubleshooting OBDII code B1BB5 Chrysler?
DIY tips include visually inspecting the passenger airbag disable switch, checking for loose or damaged wiring, and ensuring all connectors are securely connected.
9. Can a professional mechanic help with diagnosing and repairing the B1BB5 code?
Yes, a professional mechanic with experience in airbag systems can accurately diagnose the issue causing the B1BB5 code and perform the necessary repairs to ensure the system functions properly.
10. How critical is it to address the Passenger Air Bag Disable Switch Circuit Open code promptly?
It is crucial to address the B1BB5 code promptly as any malfunctions in the airbag system can compromise passenger safety in the event of a collision.
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