B1942 Ford Code - Left Front Impact Sensor Fee/Return Circuit Open
Quick Answer
The voltage at the terminal is set by Air Bag Diagnostic Monitor to be slightly less than the battery voltage. Common causes include Faulty Left Front Air Bag Crash Sensor, Left Front Air Bag Crash Sensor harness is open or shorted, Left Front Air Bag Crash 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
- B1942 Ford indicates Left Front Impact Sensor Fee/Return Circuit Open.
- Common causes
- Common causes include Faulty Left Front Air Bag Crash Sensor, Left Front Air Bag Crash Sensor harness is open or shorted, Left Front Air Bag Crash 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 B1942 Ford Description
What are the Possible Causes of the DTC B1942 Ford?
- Faulty Left Front Air Bag Crash Sensor
- Left Front Air Bag Crash Sensor harness is open or shorted
- Left Front Air Bag Crash Sensor circuit poor electrical connection
- Faulty Air Bag Diagnostic Monitor
How to Fix the DTC B1942 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1942 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 B1942 Ford Code
1. What are the common symptoms of OBDII code B1942 in a Ford vehicle?
- Common symptoms include the airbag warning light being illuminated on the dashboard and potential issues with the airbag system.
2. What does the OBDII code B1942 indicate in a Ford vehicle?
- OBDII code B1942 indicates a Left Front Impact Sensor Fee/Return Circuit Open in the airbag system.
3. What are the possible causes of the Left Front Impact Sensor Fee/Return Circuit Open code (B1942) in a Ford?
- Possible causes include damaged wiring, a faulty impact sensor, a loose connection, or a malfunctioning airbag control module.
4. How can I diagnose the OBDII code B1942 in my Ford vehicle?
- Diagnosing OBDII code B1942 involves using a scan tool to retrieve the specific fault code, inspecting the wiring and connections to the left front impact sensor, and checking for any visible damage.
5. Can I drive my Ford vehicle with the OBDII code B1942 illuminated?
- It is not recommended to drive the vehicle with the airbag warning light on, as it indicates a potential issue with the airbag system's functionality.
6. How can I repair the Left Front Impact Sensor Fee/Return Circuit Open code (B1942) in my Ford?
- Repairing code B1942 may involve repairing or replacing damaged wiring, replacing the left front impact sensor, ensuring all connections are secure, or replacing the airbag control module if necessary.
7. Is it safe to reset the OBDII code B1942 in my Ford without addressing the underlying issue?
- It is not recommended to reset the code without addressing the underlying problem, as it could compromise the safety of the airbag system in the event of an accident.
8. How much does it typically cost to repair the Left Front Impact Sensor Fee/Return Circuit Open code (B1942) in a Ford?
- The cost of repair can vary depending on the specific issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.
9. Are there any DIY tips for troubleshooting the OBDII code B1942 in a Ford?
- DIY tips may include checking for loose connections, inspecting wiring for damage, and ensuring all components in the airbag system are securely in place before seeking professional help if needed.
10. How important is it to address the OBDII code B1942 in a Ford promptly?
- It is crucial to address OBDII code B1942 promptly, as it relates to the proper functioning of the airbag system, which is a critical safety feature in the vehicle.
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