B0024 GMC Code - Driver Frontal Deployment Loop Single Stage or Stage 1 Voltage Out of Range
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
- B0024 GMC indicates Driver Frontal Deployment Loop Single Stage or Stage 1 Voltage Out of Range.
- 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 B0024 GMC 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 B0024 GMC?
- 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 B0024 GMC?
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 B0024 GMC 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 B0024 GMC Code
1. What are the common symptoms of OBDII code B0024 GMC?
Symptoms may include the airbag warning light coming on, loss of power to the airbag system, and potential non-deployment of the driver frontal airbag during a collision.
2. What could cause the OBDII code B0024 GMC to trigger?
This code is typically triggered by an issue with the driver frontal airbag's deployment loop, indicating that the voltage is out of the expected range.
3. How serious is the OBDII code B0024 GMC?
This code indicates a potential problem with the driver frontal airbag system, which could compromise the safety of the vehicle in the event of a collision. It should be addressed promptly.
4. Can I still drive my vehicle with the OBDII code B0024 GMC present?
It is not recommended to drive the vehicle with this code present, as it may affect the deployment of the driver frontal airbag in case of an accident.
5. What are some possible repair tips for OBDII code B0024 GMC?
Repair options may include checking and repairing any damaged wiring in the airbag system, ensuring proper connections, and possibly replacing the driver frontal airbag module.
6. How can I diagnose the OBDII code B0024 GMC?
Diagnosis typically involves using a professional OBDII scanner to retrieve the code, followed by inspecting the driver frontal airbag system for any visible issues or damage.
7. Are there any safety concerns associated with OBDII code B0024 GMC?
Yes, this code indicates a potential safety issue with the driver frontal airbag system, which could affect its deployment in a collision and compromise occupant safety.
8. Can resetting the OBDII code B0024 GMC resolve the issue?
Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the voltage issue in the driver frontal airbag system.
9. Is it necessary to visit a mechanic for OBDII code B0024 GMC repair?
Given the safety implications of this code, it is recommended to have a qualified mechanic diagnose and repair the issue to ensure the proper functioning of the airbag system.
10. How much does it typically cost to repair OBDII code B0024 GMC?
The cost of repair can vary depending on the specific issue causing the code, but it may involve replacing components in the driver frontal airbag system and addressing any wiring issues. Costs can range from a few hundred to over a thousand dollars.
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