B0035 GMC Code - Auxiliary Discriminating Sensor Closed or Shorted to Ground
Quick Answer
The B0035 diagnostic trouble code for GMC vehicles indicates that there is an issue with the Auxiliary Discriminating Sensor being closed or shorted to ground. Common causes include Damaged wiring leading to the Auxiliary Discriminating Sensor, Faulty Auxiliary Discriminating Sensor, Poor electrical connection to the sensor. 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
- B0035 GMC indicates Auxiliary Discriminating Sensor Closed or Shorted to Ground.
- Common causes
- Common causes include Damaged wiring leading to the Auxiliary Discriminating Sensor, Faulty Auxiliary Discriminating Sensor, Poor electrical connection to the sensor.
- 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.
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Code B0035 GMC Description
The B0035 diagnostic trouble code for GMC vehicles indicates that there is an issue with the Auxiliary Discriminating Sensor being closed or shorted to ground. The Auxiliary Discriminating Sensor is a component of the vehicle's airbag system that helps to determine the appropriate deployment of the airbags in the event of a collision. When this sensor is closed or shorted to ground, it can lead to a malfunction in the airbag system, potentially causing the airbags to not deploy when needed or to deploy unexpectedly.
Common Causes of B0035 GMC
- Damaged wiring leading to the Auxiliary Discriminating Sensor.
- Faulty Auxiliary Discriminating Sensor.
- Poor electrical connection to the sensor.
- Corrosion or debris affecting the sensor's operation.
- Impact or collision causing damage to the sensor or wiring.
Symptoms of B0035 GMC
- Airbag warning light illuminated on the dashboard.
- Airbags not deploying in a collision.
- Airbags deploying unexpectedly.
- Inconsistent or erratic behavior of the airbag system.
- Diagnostic trouble code B0035 stored in the vehicle's computer system.
How to Fix B0035 GMC
- Begin by conducting a thorough inspection of the wiring and connections associated with the Auxiliary Discriminating Sensor.
- Test the sensor for proper operation and replace if necessary.
- Check and clean any electrical connections to ensure a secure and reliable connection.
- Clear the diagnostic trouble code from the vehicle's computer system and test the airbag system to ensure proper functionality.
- If the issue persists, consult a professional technician for further diagnosis and repair.
Cost to Fix B0035 GMC
The typical repair costs for addressing a B0035 diagnostic trouble code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a faulty sensor or repairing damaged wiring can range from $200 to $500, including parts and labor. However, it is important to note that the cost of diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to consult with a local auto repair shop for a more precise estimate based on your specific circumstances.
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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 B0035 GMC Code
1. What are the common symptoms of OBDII code B0035 GMC?
The common symptoms of OBDII code B0035 GMC include the airbag warning light illuminated on the dashboard, potential loss of airbag functionality, and possible diagnostic trouble codes related to the supplemental restraint system.
2. What does the OBDII code B0035 GMC "Auxiliary Discriminating Sensor Closed or Shorted to Ground" mean?
OBDII code B0035 GMC indicates a potential issue with the auxiliary discriminating sensor in the vehicle's airbag system being closed or shorted to ground, affecting the proper operation of the supplemental restraint system.
3. What are the possible causes of OBDII code B0035 GMC?
Possible causes of OBDII code B0035 GMC include a faulty auxiliary discriminating sensor, damaged wiring or connectors in the airbag system, a short to ground in the sensor circuit, or an issue with the airbag control module.
4. How can I diagnose OBDII code B0035 GMC?
Diagnosing OBDII code B0035 GMC requires using a diagnostic scanner to retrieve the specific trouble code, inspecting the auxiliary discriminating sensor and its wiring for damage, and testing the sensor's resistance to determine if it is shorted to ground.
5. Is it safe to drive with OBDII code B0035 GMC?
It is not recommended to drive with OBDII code B0035 GMC present, as it indicates a potential issue with the airbag system that may compromise its functionality in the event of a collision or accident.
6. Can I reset OBDII code B0035 GMC without fixing the issue?
Resetting OBDII code B0035 GMC without addressing the underlying problem will only temporarily clear the fault code, but the issue will likely reoccur until the root cause, such as a faulty sensor or wiring fault, is resolved.
7. How can I repair OBDII code B0035 GMC?
Repairing OBDII code B0035 GMC involves identifying and fixing the root cause of the issue, which may include replacing the faulty auxiliary discriminating sensor, repairing damaged wiring or connectors, or addressing any shorts to ground in the sensor circuit.
8. Can a DIY enthusiast fix OBDII code B0035 GMC?
While some DIY enthusiasts may have the necessary skills to diagnose and repair OBDII code B0035 GMC, dealing with airbag system components can be complex and potentially dangerous. It is recommended to consult a qualified mechanic or technician for assistance.
9. How much does it cost to repair OBDII code B0035 GMC?
The cost to repair OBDII code B0035 GMC can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to obtain a diagnosis and repair estimate from a professional technician.
10. Can OBDII code B0035 GMC affect vehicle safety?
Yes, OBDII code B0035 GMC can affect vehicle safety by potentially disabling or impairing the proper function of the airbag system, which is a critical safety feature designed to protect occupants in the event of a collision. It is essential to address this issue promptly to ensure the airbags operate as intended.
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