B1058 Code - Air Bag Sensor Unit
Quick Answer
Detects the whole SRS electrical system and displays the malfunction either by illuminating or blinking the airbag warning lamp in the combination meter. Common causes include Faulty Air Bag Sensor Unit (Air Bag Control Module), Air Bag Sensor Unit (Air Bag Control Module) harness is open or shorted, Air Bag Sensor Unit (Air Bag Control Module) 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
- B1058 indicates Air Bag Sensor Unit.
- Common causes
- Common causes include Faulty Air Bag Sensor Unit (Air Bag Control Module), Air Bag Sensor Unit (Air Bag Control Module) harness is open or shorted, Air Bag Sensor Unit (Air Bag Control Module) 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 B1058 Description
What are the Possible Causes of the DTC B1058?
- Faulty Air Bag Sensor Unit (Air Bag Control Module)
- Air Bag Sensor Unit (Air Bag Control Module) harness is open or shorted
- Air Bag Sensor Unit (Air Bag Control Module) circuit poor electrical connection
How to Fix the DTC B1058?
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 B1058 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
- B1058 Acura — Relay Control Module Lost Communication With Door Multiplex Control Unit
- B1058 Chrysler — Recirculation Door Control
- B1058 Dodge — Recirculation Door Control
- B1058 Honda — Relay Control Module Lost Communication With Door Multiplex Control Unit
- B1058 Infiniti — Air Bag Sensor Unit
- B1058 Jeep — Recirculation Door Control
- B1058 Nissan — Air Bag Sensor Unit
- B1058 RAM — Recirculation Door Control
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 B1058 Code
1. What does the OBDII code B1058 mean?
B1058 indicates a fault in the airbag sensor unit, which is responsible for detecting impact signals and deploying airbags during a collision.
2. What are common symptoms of the B1058 code?
Common symptoms include the airbag warning light illuminating on the dashboard and the airbag system being disabled.
3. What causes the B1058 code to appear?
The code can be caused by a faulty airbag sensor unit, damaged wiring or connectors, corrosion, or a software issue within the airbag control module.
4. Is it safe to drive with the B1058 code active?
No, it is not safe. The airbag system may not function properly in the event of a collision, increasing the risk of injury.
5. How do you diagnose the B1058 code?
Diagnosis involves using an OBDII scanner to confirm the code, inspecting the airbag sensor unit, checking for damaged wiring or connectors, and testing the system for proper operation.
6. Can the B1058 code be cleared without repairs?
Clearing the code without addressing the underlying issue may temporarily turn off the warning light, but the problem will likely return, and the airbag system may remain compromised.
7. What repairs are needed to fix the B1058 code?
Repairs may include replacing the airbag sensor unit, repairing or replacing damaged wiring or connectors, or reprogramming the airbag control module.
8. How much does it cost to fix the B1058 code?
The cost varies depending on the vehicle and the exact issue, but replacing the airbag sensor unit can range from $300 to $800, excluding labor costs.
9. Can a dead battery cause the B1058 code?
Yes, a dead or low battery can cause voltage fluctuations that may trigger the B1058 code, although this is less common than other causes.
10. Should I attempt to repair the B1058 code issue myself?
Airbag systems are safety-critical components, and improper repairs can be dangerous. It is recommended to have a professional technician handle the issue.
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