B1057 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
- B1057 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 B1057 Description
What are the Possible Causes of the DTC B1057?
- 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 B1057?
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 B1057 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
- B1057 Acura — Relay Control Module Lost Communication With MICU
- B1057 Honda — Relay Control Module Lost Communication With MICU
- B1057 Infiniti — Driver Air Bag Module Short
- B1057 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 B1057 Code
1. What does OBDII code B1057 mean?
B1057 indicates a short circuit in the driver airbag module wiring or its components, which can prevent proper airbag deployment.
2. What are the symptoms of code B1057?
The primary symptom is the airbag warning light on the dashboard. In some cases, the airbag system may be disabled.
3. What causes code B1057 to trigger?
Common causes include damaged wiring, corroded connectors, faulty clock springs, or a malfunctioning driver airbag module.
4. Is it safe to drive with code B1057 active?
No, because the airbag system may not function properly in the event of a crash, compromising safety.
5. How do you diagnose code B1057?
Diagnose by scanning for codes, visually inspecting wiring and connectors, and testing the clock spring and airbag module for faults.
6. Can a faulty clock spring cause code B1057?
Yes, a damaged clock spring can disrupt the electrical connection to the airbag module, leading to this code.
7. How can you fix code B1057?
Repairs may involve replacing damaged wiring, repairing corroded connectors, or replacing the clock spring or driver airbag module.
8. How much does it cost to fix code B1057?
Costs vary depending on the issue, but clock spring replacement typically ranges from $200 to $500, and airbag module replacement may cost more.
9. Can clearing the code resolve B1057?
Clearing the code without addressing the root cause will not fix the problem, and the code will likely return.
10. Can a weak battery cause code B1057?
While unlikely, voltage issues can sometimes affect airbag system diagnostics. It’s best to check the battery before deeper troubleshooting.
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