B1BB5 Dodge 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 Dodge 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 Dodge Description
What are the Possible Causes of the DTC B1BB5 Dodge?
- 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 Dodge?
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 Dodge 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 B1BB5 Dodge Code
1. What are the common symptoms of OBDII code B1BB5 in a Dodge related to the Passenger Air Bag Disable Switch Circuit Open?
- Common symptoms include the airbag warning light staying illuminated on the dashboard and the passenger airbag being disabled.
2. What could cause the Passenger Air Bag Disable Switch Circuit Open in a Dodge?
- The code B1BB5 can be caused by a faulty passenger airbag disable switch, damaged wiring, a blown fuse, or a malfunctioning airbag control module.
3. How can I diagnose the Passenger Air Bag Disable Switch Circuit Open in my Dodge?
- Diagnosing the issue involves checking the wiring and connections related to the passenger airbag disable switch, testing the switch itself for continuity, and scanning the vehicle's OBDII system for trouble codes.
4. Are there any safety concerns associated with OBDII code B1BB5 in a Dodge?
- Yes, this code indicates a potential issue with the passenger airbag system, which could compromise passenger safety in the event of a collision. It is recommended to address this issue promptly.
5. Can I continue driving my Dodge with the B1BB5 code related to the Passenger Air Bag Disable Switch Circuit Open?
- It is not advisable to continue driving the vehicle with this code present, as it indicates a problem with the passenger airbag system that may affect its proper functioning in an accident.
6. How can I repair the Passenger Air Bag Disable Switch Circuit Open issue in my Dodge?
- Repairing the issue may involve replacing the passenger airbag disable switch, repairing damaged wiring, checking and replacing fuses, or reprogramming the airbag control module, depending on the root cause of the problem.
7. Is it possible to reset the OBDII code B1BB5 in a Dodge without fixing the underlying issue?
- While you can clear the code temporarily, it will likely reappear until the root cause of the problem is addressed. It is recommended to fix the underlying issue to ensure the passenger airbag system functions correctly.
8. Can a DIY enthusiast fix the Passenger Air Bag Disable Switch Circuit Open issue in a Dodge?
- Depending on your skill level and access to tools, DIY enthusiasts may be able to address this issue by following repair guides and using diagnostic tools. However, working on airbag systems can be complex and dangerous, so caution is advised.
9. Will fixing the Passenger Air Bag Disable Switch Circuit Open issue require a visit to a dealership or mechanic?
- While some DIY enthusiasts may be able to fix the issue themselves, it is recommended to consult a qualified mechanic or dealership with experience in airbag systems to ensure the problem is diagnosed and repaired correctly.
10. How much can I expect to pay to repair the OBDII code B1BB5 related to the Passenger Air Bag Disable Switch Circuit Open in a Dodge?
- The cost of repairing this issue can vary depending on the root cause, parts needed for replacement, labor costs, and whether you choose to go to a dealership or an independent mechanic. It is advisable to obtain quotes from different sources for an accurate estimate.
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