Lost Communication With Power Steering Control Module
What does U0131 mean?
The U0131 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Power Steering Control Module. This is a moderate severity code.
Common Symptoms
- Power steering warning light on
- Heavy steering effort at low speeds
- Electric power steering inoperative
- Check Engine Light may be on
Probable Causes (Ranked by Likelihood)
- Failed electric power steering module Very High
- CAN bus wiring fault to EPS module High
- EPS module connector corrosion Moderate
- EPS module power supply loss Moderate
Step-by-Step Diagnostic Procedure
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Check EPS module power and ground circuits
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Inspect EPS module connector for corrosion
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Verify CAN bus wiring to EPS module
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Check steering column and rack connections
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Replace EPS module if communication lost -- may require calibration
Frequently Asked Questions
Can I drive with code U0131?
Drive short distances only. Lost communication codes indicate a module has stopped communicating on the vehicle network. The affected system may not function correctly.
What causes U0131?
The most common cause is a failed module or a wiring issue in the CAN bus network. Failed electric power steering module is the most likely cause. Power supply, ground, and connector issues should be checked before replacing any module.
Is U0131 expensive to fix?
Repair costs range from $200 - $1500 (parts and labor). Wiring repairs are on the lower end, while module replacement is on the higher end. The module may also need to be programmed after replacement.