B1B79 Dodge Code - Passenger Seat Weight Sensor 3 Left Front Input Circuit Low
Quick Answer
The B1B79 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low. Common causes include Faulty passenger seat weight sensor, Loose or damaged wiring connections to the sensor, Corrosion or water damage affecting the sensor. 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
- B1B79 Dodge indicates Passenger Seat Weight Sensor 3 Left Front Input Circuit Low.
- Common causes
- Common causes include Faulty passenger seat weight sensor, Loose or damaged wiring connections to the sensor, Corrosion or water damage affecting the sensor.
- 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.
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Code B1B79 Dodge Description
The B1B79 diagnostic trouble code (DTC) for Dodge vehicles specifically refers to the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low. This code indicates that the signal from the weight sensor located in the left front of the passenger seat is reading lower than the predetermined threshold. This sensor is crucial for the proper functioning of the vehicle's occupant detection system, which is responsible for determining whether the airbag should deploy in case of a collision based on the weight of the passenger.
Common Causes of B1B79 Dodge
- Faulty passenger seat weight sensor.
- Loose or damaged wiring connections to the sensor.
- Corrosion or water damage affecting the sensor.
- Issues with the SRS module.
- Electrical system malfunctions.
Symptoms of B1B79 Dodge
- Airbag warning light illuminated on the dashboard.
- Inconsistent or erratic airbag deployment.
- Passenger airbag indicator showing a fault.
- Loss of communication with the SRS module.
- Increased risk of injury in the event of a collision.
How to Fix B1B79 Dodge
- Begin by diagnosing the specific cause of the issue using a professional diagnostic scanner to pinpoint the exact fault.
- Inspect the wiring harness and connections to the passenger seat weight sensor for any signs of damage or corrosion. Repair or replace any damaged components.
- Test the sensor itself to determine if it is functioning correctly. Replace the sensor if necessary.
- Clear the DTC from the vehicle's computer system using the diagnostic scanner.
- Perform a thorough test drive to ensure that the issue has been resolved and that the airbag system is functioning as intended.
Cost to Fix B1B79 Dodge
The cost of repairing a B1B79 DTC for the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $300, while labor costs typically range from $100 to $200. Overall, the total repair cost for this issue may fall between $200 and $500, but it's advisable to consult with a professional mechanic for a more accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops can vary based on location, with hourly rates typically ranging from $80 to $150. It's important to address this issue promptly to ensure the safety of the vehicle occupants and to prevent any potential long-term effects on the airbag system.
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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 B1B79 Dodge Code
1. What are the common symptoms of OBDII code B1B79 in a Dodge related to the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low?
- Common symptoms may include the airbag warning light illuminating on the dashboard and potential issues with the passenger airbag system.
2. What are the possible causes of the B1B79 code in a Dodge?
- Possible causes may include a faulty passenger seat weight sensor, damaged wiring or connectors in the circuit, or a malfunctioning airbag control module.
3. How can I diagnose the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low issue in my Dodge?
- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific fault code, inspecting the wiring and connectors related to the passenger seat weight sensor, and testing the sensor itself for proper operation.
4. Is it safe to drive my Dodge with the B1B79 code triggered?
- It is recommended to address the issue promptly to ensure the proper functioning of the passenger airbag system. Consult with a qualified mechanic to determine the safety implications of driving with the code active.
5. Can I reset the B1B79 code in my Dodge without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the safety of the passenger airbag system.
6. How much does it typically cost to repair the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low problem in a Dodge?
- Repair costs can vary depending on the exact cause of the issue, but expenses may include parts replacement, sensor recalibration, and labor fees. It is advisable to obtain quotes from reputable auto repair shops.
7. Are there any DIY repair tips for fixing the B1B79 code in a Dodge?
- DIY repairs for this code may be challenging due to the complexity of the airbag system. It is recommended to seek assistance from a professional mechanic with experience in handling airbag-related issues.
8. Can a faulty passenger seat weight sensor cause other OBDII codes to appear in a Dodge?
- Yes, a malfunctioning passenger seat weight sensor can trigger additional codes related to the airbag system or seat occupancy detection, so it is essential to address the primary issue promptly.
9. How long does it typically take to repair the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low problem in a Dodge?
- The repair duration can vary based on the extent of the issue and the availability of parts. In some cases, the repair may be completed within a few hours, but more complex issues could take longer to resolve.
10. Is the Passenger Seat Weight Sensor 3 Left Front Input Circuit Low issue a common problem in Dodge vehicles?
- While this specific code may not be extremely common, issues with seat weight sensors and airbag systems can occur in various Dodge models, highlighting the importance of proper maintenance and timely repairs.
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