C2794
Power Steering Motor Overheat Protection
C2794 is an OBD-II diagnostic trouble code meaning: Power Steering Motor Overheat Protection. Common causes: overheating of the eur electric motor (long-term load), dirty/blocked power steering vents. Estimated repair cost: $56–278.
Symptoms
- Heavy steering (loss of gain)
- Flashing ESP/EUR indicator
- Message on the dashboard
- The steering becomes light again after stopping the engine
Causes
- Overheating of the EUR electric motor (long-term load)
- Dirty/blocked power steering vents
- Low power steering fluid level (in hybrid systems)
- EUR temperature sensor malfunction
- Problems with the wiring harness or connectors
- Mechanical jamming of the steering mechanism
How to Fix
- Allow the engine to cool (15-30 minutes)
- Check the ventilation of the EUR unit
- Diagnostics of temperature sensor and power circuits
- Checking the mechanical part of the steering
- Software diagnostics of the steering ECU
- Replacement of the electric power steering motor (in case of malfunction)
Related codes
FAQ
What does the C2794 code mean?
C2794 is an OBD-II diagnostic trouble code that indicates: Power Steering Motor Overheat Protection
What causes a C2794 error code?
The most common causes of C2794 include: Overheating of the EUR electric motor (long-term load); Dirty/blocked power steering vents; Low power steering fluid level (in hybrid systems); EUR temperature sensor malfunction.
How do I fix a C2794 diagnostic trouble code?
To fix C2794: Allow the engine to cool (15-30 minutes). Check the ventilation of the EUR unit. Diagnostics of temperature sensor and power circuits. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C2794?
Limited driving only, diagnose soon
How much does it cost to fix C2794?
The estimated repair cost for C2794 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat