Electronic Power Steering Control Module Internal Fault
The C0250 code means the vehicle's onboard diagnostic system has detected: Electronic Power Steering Control Module Internal Fault. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $500 - $1800 (parts and labor)
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Common Symptoms
- Power steering warning light on
- Complete loss of power steering assist
- Steering is very heavy
- No response from EPS system
- Multiple steering-related warning messages
Probable Causes (Ranked by Likelihood)
- Internal circuit failure in the EPS control module Very High
- Voltage spike or surge damage to module electronics High
- Water intrusion into the EPS module Moderate
- Corrupted module software Moderate
- Manufacturing defect in module electronics Low
Step-by-Step Diagnostic Procedure
-
Verify the code with a professional scan tool
-
Check for available software updates or reprogramming
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Inspect the EPS module for signs of water damage or corrosion
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Verify power supply and ground circuits to the module
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Check for manufacturer recalls or TSBs related to EPS module failures
Frequently Asked Questions
Can the EPS module be repaired?
Some specialty electronics repair companies can rebuild EPS modules for less than the cost of a new unit. This typically involves replacing failed internal components and retesting the module.
Does the EPS module need to be programmed after replacement?
Yes. Most EPS modules require programming or configuration with a factory or professional scan tool after installation. This sets the proper steering feel calibration for your specific vehicle.
Are there recalls for EPS module failures?
Several manufacturers have issued recalls and extended warranties for EPS module failures on certain model years. Check with your dealer using your VIN to see if your vehicle is covered.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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