C0555
Lateral Accelerometer Voltage Out of Range
Supply or signal voltage of the lateral accelerometer is out of the expected range.
- 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.
- Sensor supply openCommon
- Sensor internal failurePossible
Parts involved
- Lateral G Sensor
- Sensor Wiring
C0555 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.