B140D Ford Code - Second Row Passenger Side Seatbelt Sensor Circuit
Quick Answer
The Restraint Control Module (RCM) continuously monitors the second row right safety belt buckle switch circuits for the following faults: Open circuit, Short to voltage, Short to ground, Current out of range, Faulted second row right safety belt buckle switch. Common causes include Faulty Second Row Passenger Side Seatbelt, Second Row Passenger Side Seatbelt harness is open or shorted, Second Row Passenger Side Seatbelt 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
- B140D Ford indicates Second Row Passenger Side Seatbelt Sensor Circuit.
- Common causes
- Common causes include Faulty Second Row Passenger Side Seatbelt, Second Row Passenger Side Seatbelt harness is open or shorted, Second Row Passenger Side Seatbelt 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 B140D Ford Description
What are the Possible Causes of the DTC B140D Ford?
- Faulty Second Row Passenger Side Seatbelt
- Second Row Passenger Side Seatbelt harness is open or shorted
- Second Row Passenger Side Seatbelt circuit poor electrical connection
- Faulty Restraint Control Module (RCM)
How to Fix the DTC B140D Ford?
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.
Code Tech Notes
B140D:12 Second Row Passenger Side Seatbelt Sensor Circuit Short to Battery
B140D:13 Second Row Passenger Side Seatbelt Sensor Circuit Open
B140D:1D Second Row Passenger Side Seatbelt Sensor Circuit Current Out of Range
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B140D Ford 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 B140D Ford Code
1. What are the common symptoms of OBDII code B140D in a Ford related to the Second Row Passenger Side Seatbelt Sensor Circuit?
The common symptoms include the airbag light being illuminated on the dashboard, a message indicating a problem with the seatbelt system, and potential non-deployment of the airbags in a collision.
2. What are the possible causes of OBDII code B140D in a Ford related to the Second Row Passenger Side Seatbelt Sensor Circuit?
Possible causes include a faulty seatbelt sensor, damaged wiring or connectors in the seatbelt system, or a malfunction in the airbag control module.
3. How can I diagnose the issue related to OBDII code B140D in a Ford for the Second Row Passenger Side Seatbelt Sensor Circuit?
Diagnosing the issue typically involves using a diagnostic scanner to retrieve the specific fault code and then inspecting the seatbelt sensor, wiring, and connectors for any visible damage or issues.
4. Can I still drive my Ford with OBDII code B140D related to the Second Row Passenger Side Seatbelt Sensor Circuit illuminated?
While the vehicle may still be operable, it is recommended to address the issue promptly to ensure the proper functioning of the seatbelt and airbag systems in the event of an accident.
5. How can I reset the OBDII code B140D related to the Second Row Passenger Side Seatbelt Sensor Circuit in my Ford?
Resetting the code typically involves using a diagnostic scanner to clear the fault code after the underlying issue has been identified and resolved.
6. Is it safe to repair the OBDII code B140D related to the Second Row Passenger Side Seatbelt Sensor Circuit in my Ford myself?
It is recommended to have the issue diagnosed and repaired by a qualified mechanic or dealership to ensure proper and safe resolution of the problem.
7. What are some repair tips for addressing OBDII code B140D related to the Second Row Passenger Side Seatbelt Sensor Circuit in a Ford?
Repair tips may include checking and repairing any damaged wiring or connectors, replacing the faulty seatbelt sensor, or recalibrating the airbag control module as needed.
8. How much does it typically cost to repair OBDII code B140D related to the Second Row Passenger Side Seatbelt Sensor Circuit in a Ford?
The cost of repair can vary depending on the specific underlying issue, the labor rates of the repair shop, and the cost of any replacement parts that may be needed.
9. Are there any recalls or service bulletins related to OBDII code B140D in Fords for the Second Row Passenger Side Seatbelt Sensor Circuit?
It is advisable to check with Ford or a dealership to inquire about any relevant recalls or service bulletins that may pertain to this specific OBDII code and issue.
10. How important is it to address OBDII code B140D in a Ford related to the Second Row Passenger Side Seatbelt Sensor Circuit promptly?
Addressing the issue promptly is crucial to ensure the proper functioning of the seatbelt and airbag systems, which are vital for occupant safety in the event of a collision.
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