OBD-II code · Chassis
C051D Multi-axis Acceleration Sensor Module A Missing Calibration
Multi-axis acceleration module A is not calibrated — required after replacement or chassis adjustment.
Is it safe to drive with C051D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCalibration not performed after install
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- Multi Axis Accel Module A
Related codes
- C0522Multi-axis Acceleration Sensor Module B Missing Calibration
- C051ALeft Rear Wheel Speed Sensor - Mechanical
- C051BRight Rear Wheel Speed Sensor - Mechanical
- C051CMulti-axis Acceleration Sensor Module A Range/Performance
- C051EMulti-axis Acceleration Sensor Module A Intermittent/Erratic
- C051FMulti-axis Acceleration Sensor Module A Correlation
- C0520Brake Pedal Force Sensor Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.