B0026 Code - Driver Frontal Deployment Loop Single Stage or Stage 1 Open
Quick Answer
The driver deployment loop consists of the following components: - A dual-stage inflatable restraint steering wheel module - The inflatable restraint steering wheel module coil - The steering wheel module high circuits for both stages 1 and 2 - The steering wheel module low circuits for both stages 1 and 2 There are 2 shorting bars used within the steering wheel module coil connector. Common causes include Faulty Steering Wheel Module Coil, Steering Wheel Module Coil harness is open or shorted, Steering Wheel Module Coil 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
- B0026 indicates Driver Frontal Deployment Loop Single Stage or Stage 1 Open.
- Common causes
- Common causes include Faulty Steering Wheel Module Coil, Steering Wheel Module Coil harness is open or shorted, Steering Wheel Module Coil 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 B0026 Description
- A dual-stage inflatable restraint steering wheel module
- The inflatable restraint steering wheel module coil
- The steering wheel module high circuits for both stages 1 and 2
- The steering wheel module low circuits for both stages 1 and 2
There are 2 shorting bars used within the steering wheel module coil connector. These shorting bars short together both stages of the steering wheel module high circuit and the steering wheel module low circuit when the connector is disconnected. This helps prevent unwanted deployment of the inflator module during servicing. During a frontal crash of sufficient force the inflatable restraint Sensing and Diagnostic Module (SDM) will allow current to flow through the deployment loop. This flow of current will deploy the steering wheel module. The SDM performs continuous diagnostic tests on the deployment loops to check for proper circuit continuity and for shorts to ground or voltage. If a malfunction is detected, a DTC will be stored in memory.
What are the Possible Causes of the DTC B0026?
- Faulty Steering Wheel Module Coil
- Steering Wheel Module Coil harness is open or shorted
- Steering Wheel Module Coil circuit poor electrical connection
- Faulty Steering Wheel Module
How to Fix the DTC B0026?
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 B0026 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
- B0026 Buick — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
- B0026 Cadillac — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
- B0026 Chevrolet — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
- B0026 GMC — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
- B0026 Pontiac — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
- B0026 Saturn — Driver Frontal Deployment Loop Single Stage or Stage 1 Open
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 B0026 Code
1. What are the common symptoms of OBDII code B0026 (Driver Frontal Deployment Loop Single Stage or Stage 1 Open)?
- The common symptoms include the airbag warning light illuminated on the dashboard and a potential loss of functionality in the driver's frontal airbag system.
2. What are the possible causes of OBDII code B0026?
- The code B0026 can be triggered by issues such as a faulty driver frontal airbag, damaged wiring harnesses, loose connections, or a malfunctioning airbag control module.
3. How can I diagnose OBDII code B0026?
- To diagnose code B0026, a professional diagnostic scan tool is needed to communicate with the airbag system module and retrieve the specific fault code. Additionally, thorough visual inspection of the airbag system components may be necessary.
4. Can I still drive my vehicle with OBDII code B0026?
- It is not recommended to drive the vehicle with an active airbag system fault code like B0026. In the event of an accident, the driver's frontal airbag may not deploy as intended, compromising occupant safety.
5. How can I repair OBDII code B0026?
- Repairing code B0026 typically involves addressing the root cause of the issue, which may include replacing a faulty driver frontal airbag, repairing damaged wiring, securing loose connections, or resetting the airbag control module.
6. Will resetting the OBDII code B0026 turn off the airbag warning light?
- Resetting the code may temporarily turn off the airbag warning light, but if the underlying issue causing the fault code is not addressed, the light will likely reappear once the system detects the problem again.
7. Is it safe to attempt DIY repairs for OBDII code B0026?
- Due to the critical nature of the airbag system in ensuring occupant safety, it is recommended to have OBDII code B0026 diagnosed and repaired by a qualified automotive technician with expertise in airbag systems.
8. How much does it cost to repair OBDII code B0026?
- The cost of repairing code B0026 can vary depending on the specific cause of the issue, the labor rates of the repair facility, and the cost of any replacement parts needed, such as the driver frontal airbag or wiring harnesses.
9. Can OBDII code B0026 be intermittent?
- Yes, code B0026 can sometimes be intermittent, meaning the fault may not be present all the time. It is important to address intermittent airbag system issues promptly to ensure proper functionality when needed.
10. Will OBDII code B0026 prevent my vehicle from passing a state inspection?
- In many regions, a lit airbag warning light due to code B0026 will cause the vehicle to fail a state inspection since it indicates a safety system malfunction. It is advisable to address the issue promptly to pass inspection and ensure occupant safety.
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