B0021:0D Code - Passenger Seat Side Air Bag Deployment Loop High Resistance
Quick Answer
The diagnostic code B0021:0D indicates that there is a high resistance in the passenger seat side airbag deployment loop. Common causes include Damaged wiring in the airbag deployment loop, Loose connections in the airbag system, Faulty sensors or sensors out of calibration. 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
- B0021:0D indicates Passenger Seat Side Air Bag Deployment Loop High Resistance.
- Common causes
- Common causes include Damaged wiring in the airbag deployment loop, Loose connections in the airbag system, Faulty sensors or sensors out of calibration.
- 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 B0021:0D Description
The diagnostic code B0021:0D indicates that there is a high resistance in the passenger seat side airbag deployment loop. This means that there is an issue with the circuit that controls the deployment of the airbag located in the passenger seat. The airbag system is a crucial safety feature in vehicles, designed to deploy in the event of a collision to protect the occupants from serious injury or death. When there is high resistance in the deployment loop, it can prevent the airbag from deploying properly in an accident, putting the passenger at risk.
Common Causes of B0021:0D
- Damaged wiring in the airbag deployment loop
- Loose connections in the airbag system
- Faulty sensors or sensors out of calibration
- Malfunctioning airbag module
- Corrosion or water damage in the airbag system components
Symptoms of B0021:0D
- Airbag warning light illuminated on the dashboard
- Passenger seat airbag not deploying in a collision
- Intermittent or inconsistent airbag deployment
- Diagnostic trouble code B0021:0D stored in the vehicle's computer system
How to Fix B0021:0D
- Diagnose the specific cause of the high resistance in the passenger seat airbag deployment loop using a diagnostic scanner.
- Inspect the wiring and connections in the airbag system for damage or corrosion, and repair or replace as necessary.
- Test the sensors in the airbag system to ensure they are functioning correctly, replacing any faulty sensors.
- Check the airbag module for malfunctions and replace if necessary.
- Clear the diagnostic trouble code B0021:0D from the vehicle's computer system and test the airbag system to ensure proper deployment.
Cost to Fix B0021:0D
The cost of repairing a high resistance in the passenger seat airbag deployment loop can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $200 to $500, while the labor cost can range from $100 to $300. Overall, the total cost of repairing this issue can range from $300 to $800. Additionally, it is important to factor in the cost of diagnostic testing and any additional services or repairs that may be needed. It is recommended to consult with a professional mechanic or auto repair shop for a more accurate cost estimate based on the specific make and model of the vehicle.
Tech Notes for B0021:0D
B0021:02 Passenger Seat Side Air Bag Deployment Loop Short to Ground
B0021:04 Passenger Seat Side Air Bag Deployment Loop Open
B0021:0D Passenger Seat Side Air Bag Deployment Loop High Resistance
B0021:0E Passenger Seat Side Air Bag Deployment Loop Low Resistance
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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.
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