B0062 Airbag Diagnostic Trouble Code (DTC)
The B0062 Diagnostic Trouble Code (DTC) indicates a fault detected in the Supplemental Restraint System (SRS). Depending on the vehicle manufacturer, B0062 is commonly associated with an impact sensor, side airbag circuit, or a related deployment monitoring circuit. The exact definition varies by make and model.
Symptoms
Possible Causes
- Defective impact sensor.
- Fault in side airbag wiring.
- Loose or corroded connector.
- Open or short circuit in SRS wiring harness.
- Clock spring malfunction (on some vehicles).
- Faulty Airbag Control Module (ACM, RCM, SDM, ORC).
Typical Circuit Diagram
Impact Sensor
│
▼
Wiring Harness
│
▼
Airbag Control Module
│
▼
Airbag Warning Light
Diagnosis Procedure
- Read all SRS diagnostic trouble codes.
- Inspect impact sensor connectors.
- Check wiring for opens, shorts, or corrosion.
- Verify power and ground at the control module.
- Repair damaged wiring or replace faulty components.
- Clear the code using a compatible scan tool.
- Confirm the warning lamp remains OFF.
Safety Notice
Always disconnect the vehicle battery and wait the manufacturer-recommended time before servicing any airbag components. Never probe an airbag inflator directly with a test light or apply external voltage.
Related DTCs
Frequently Asked Questions
Is it safe to drive with B0062?
The vehicle may operate normally, but the airbag system may not deploy correctly in an accident.
Can wiring problems cause B0062?
Yes. Damaged wiring and poor electrical connections are among the most common causes.
Does replacing the impact sensor always fix B0062?
No. The wiring, connectors, clock spring, or SRS control module should also be inspected before replacing parts.
Note: The exact meaning of B0062 varies by vehicle manufacturer. Wiring diagrams, pinouts, resistance values, and component locations differ between makes and models. Always consult the factory service information for accurate diagnosis.