U0124
NetworkModule Communicationmoderate severityLost Communication with Lateral Acceleration Sensor Module
What U0124 Means
Cannot communicate with the lateral G-force sensor module.
Symptoms
- Stability control disabled
- ESC warning light
- Rollover protection limited
Common Causes
- Lateral acceleration sensor failure
- CAN bus wiring
- Module power loss
- Sensor damage
Diagnostic Steps
- Check sensor fuse
- Test power and ground
- Check CAN wiring
- Inspect sensor mounting
- Test sensor output with scan tool
Where to start: Lateral acceleration sensor is part of stability control system. Check mounting and wiring.
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