Error code C1210 is displayed and the check engine light is on - what does this mean?
The DTC C1210 is recognized by the OBD system and indicates a problem with the ABS sensor or wheel speed measurement. This error code relates to the anti-lock braking system and can have slightly different meanings for different manufacturers, but typically refers to a malfunction in the wheel speed sensor area.
What causes can this error code have?
- Defective ABS sensor on the wheel
- Damaged sensor cable or cable break
- Dirty or corroded sensor connections
- Defective sensor ring or pulse ring
- Loose plug connections on the ABS control unit
- Faulty ABS control unit
- Mechanical damage to the wheel suspension
- Incorrect tire size or different tire sizes
What symptoms occur in parallel with fault code C1210?
- ABS warning light: The ABS indicator light is permanently illuminated on the dashboard
- Malfunction: The anti-lock braking system is no longer working properly
- ESP malfunction: The driving stability control may also be impaired
- Braking behavior: Longer braking distances during emergency braking on slippery surfaces
- Engine light: In some cases, the check engine light may also be activated
How can the problem with error code C1210 be rectified?
- Repairing EOBD fault code C1210 requires a systematic diagnosis of the ABS components.
- Replace the ABS sensor: Identify defective wheel speed sensor and replace with new original part, then recalibrate system
- Repair sensor cable: Locate damaged cable connections, repair defective areas or replace complete cable set
- Clean plug connections: Disconnect all ABS sensor plugs, clean with contact spray and reconnect firmly
- Replace the sensor ring: Replace damaged pulse ring on wheel bearing or drive shaft and ensure correct installation
- Replace the ABS control unit: If the control unit is defective, carry out a complete replacement and subsequent programming
- Replace wheel bearing: Completely replace worn wheel bearing with integrated sensor and check wheel alignment
FAQ - Frequently asked questions about DTC C1210
Can I continue driving with error code C1210?
Yes, the vehicle is basically ready to drive, but the ABS system is not working. In the event of emergency braking, the wheels may lock, so the repair should be carried out promptly.
How much does it cost to repair error code C1210?
The costs vary depending on the cause: an ABS sensor costs 50-150 euros, cable repairs 80-200 euros, an ABS control unit 300-800 euros. Working time is usually 1-3 hours.
How can I diagnose trouble code C1210 myself?
You can read out the code using an OBD scanner. However, the exact localization of the defective sensor usually requires professional diagnostic equipment that can test each sensor individually.
Does the error code C1210 disappear by itself?
No, this DTC does not disappear automatically. After the repair, the fault memory must be deleted using a suitable diagnostic device.
Can bad weather trigger code C1210?
Yes, moisture or dirt can temporarily lead to this fault code. If the code does not disappear after drying and cleaning, there is a genuine fault.
Does fault code C1210 also affect other systems?
Yes, as modern vehicles are networked, an ABS fault can also affect ESP, hill start assist and other driver assistance systems.