C0185
Lateral Acceleration Sensor Range/Performance
The stability control module has detected that the lateral acceleration sensor signal is out of the expected range or does not match other inertial sensors. ESP and roll-stability functions may be disabled.
- 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.
- Lateral acceleration sensor failed or driftedCommon
- Sensor mounting loose or misaligned after body repairPossible
- Calibration after replacement not performedPossible
Parts involved
- Lateral Acceleration Sensor
- Esp Control Module
- Sensor Cluster
C0185 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.