B0164
Air Bag In-Vehicle Temperature Sensor Circuit
A fault is detected in the in-vehicle temperature sensor circuit used by the SRS module for deployment compensation.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Temperature sensor failureCommon
- Wiring short or openPossible
Parts involved
- In Vehicle Temperature Sensor
- Srs Control Module
B0164 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.