C0902
TPMS Sensor 2 Battery
TPMS Sensor 2 Battery: the control module has detected this fault condition.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- TPMS sensor battery depleted (end of life)Common
- Sensor electronics failedLess likely
Parts involved
- Tpms Sensor
- Tpms Control Module
C0902 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.