B1051 Code - Driver Air Bag Module Short
Quick Answer
The driver air bag module is dual stage and wired to the air bag diagnosis sensor unit through the spiral cable. Common causes include Faulty Driver Air Bag, Faulty Spiral Cable, Driver Air Bag harness is shorted. 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
- B1051 indicates Driver Air Bag Module Short.
- Common causes
- Common causes include Faulty Driver Air Bag, Faulty Spiral Cable, Driver Air Bag harness is shorted.
- 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 B1051 Description
What are the Possible Causes of the DTC B1051?
- Faulty Driver Air Bag
- Faulty Spiral Cable
- Driver Air Bag harness is shorted
- Driver Air Bag circuit poor electrical connection
How to Fix the DTC B1051?
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 B1051 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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Information for Specific Makes
- B1051 Ford — Front Washer Switch Performance or Incorrect Operation
- B1051 Infiniti — Driver Air Bag Module Short
- B1051 Lincoln — Front Washer Switch Performance or Incorrect Operation
- B1051 Mercury — Front Washer Switch Performance or Incorrect Operation
- B1051 Nissan — Driver Air Bag Module Short
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 B1051 Code
1. What does OBDII code B1051 mean?
Code B1051 indicates a short circuit in the driver airbag module circuit, which may prevent the airbag from deploying properly in the event of a collision.
2. What are the common symptoms of code B1051?
Common symptoms include the airbag warning light staying illuminated on the dashboard and potential failure of the driver airbag system to operate.
3. What causes the B1051 code to appear?
The most common causes are damaged or frayed wiring, a shorted airbag module, a faulty clock spring, or corrosion in the airbag circuit connectors.
4. Can I drive my car with a B1051 code?
While the car may still be drivable, the airbag system may not function properly, posing a serious safety risk in the event of an accident. It’s recommended to address the issue promptly.
5. How is code B1051 diagnosed?
A technician will use a scan tool to confirm the code, inspect the wiring and connectors in the airbag module circuit, and test the clock spring and airbag module for faults.
6. What repairs are needed to fix code B1051?
Repairs may include replacing damaged wiring, repairing corroded connectors, replacing a faulty clock spring, or replacing the driver airbag module if it’s defective.
7. How much does it cost to repair code B1051?
Repair costs can vary, typically ranging from $100 to $500, depending on whether it’s a simple wiring repair or a replacement of the airbag module or clock spring.
8. Can I reset the airbag light after fixing the B1051 code?
Yes, after completing the necessary repairs, the airbag light can be reset using an OBDII scan tool. If the underlying issue isn’t fixed, the light will return.
9. What tools are needed to troubleshoot code B1051?
Common tools include an OBDII scanner, a multimeter for testing continuity and voltage, and potentially a wiring diagram for the airbag system.
10. Is B1051 a manufacturer-specific code?
Yes, B1051 is a manufacturer-specific code, so its exact definition and troubleshooting steps may vary depending on the vehicle make and model. Consult the vehicle’s service manual for specifics.
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