Fault Code U0123
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0123
Lost Communication With Control Module (Yaw Rate Sensor Module)
This code indicates a loss of communication with the Yaw Rate Sensor Module. This sensor is crucial for stability control systems like ESP/ESC.
Part Details
Part Name
Yaw Rate Sensor Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪600 - ₪2500
Engine Location
Under seat or in center console
Symptoms
- ESP/ESC warning light on
- Poor or absent stability control performance
- Oversteer or understeer
- Unusual vehicle response in turns
Possible Causes
- 1Faulty Yaw Rate Sensor module
- 2Damaged wiring or connectors
- 3CAN BUS communication issue
- 4Module power supply issue
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