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Code U0131

Symptoms

• Power steering warning light on

• Loss of power steering assist

• Difficulty steering the vehicle

Common Causes

• Faulty Power Steering Control Module

• Open or shorted wiring harness

• Poor electrical connection in the CAN bus

Glossary

CAN bus: A robust vehicle bus standard designed to allow microcontrollers and devices to communicate with each other.

PSCM: Power Steering Control Module, which manages the power steering system.

Related Codes

• U0100

• U0121

Laymans terms

This code means that the car's computer isn't able to talk to the power steering control system. It's like when your phone can't connect to the internet.

Explanation

The vehicle's main computer has lost communication with the power steering control module.

Technical description

U0131 is a diagnostic trouble code that indicates a loss of communication between the Power Steering Control Module (PSCM) and other control modules on the vehicle's Controller Area Network (CAN) bus.

Diagnosis steps

• Verify the code with a scan tool

• Inspect the wiring and connectors for damage

• Check the power and ground connections to the PSCM

Repair procedures

• Repair or replace damaged wiring or connectors

• Replace the Power Steering Control Module

• Clear the code and test drive the vehicle

Tools required

• OBD-II scan tool

• Multimeter

• Wiring diagram

Estimated repair cost

$200 - $1000

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly inspect wiring and connectors

• Keep the vehicle's software updated

• Avoid harsh driving conditions

Error code type

Communication Error

User experience recommendations

• Do not drive the vehicle if steering becomes difficult

• Consult a professional mechanic for diagnosis

• Regular maintenance can prevent such issues

Warranty information

Check with your vehicle manufacturer for warranty coverage on electronic components.

Historical data

U0131 has been a common issue in vehicles with electronic power steering systems since the introduction of CAN bus networks.

Urgency level

High – Loss of power steering can make the vehicle difficult to control.

Legal and safety notice

Driving with impaired steering can be hazardous. Ensure the vehicle is safe to operate.

Testing conditions

• Vehicle in park with engine running

• Use of a diagnostic scan tool

Component location

The Power Steering Control Module is typically located near the steering column or within the steering gear assembly.

FAQs

Q: Can I drive with a U0131 code?
A: It's not recommended as steering may become difficult, posing a safety risk.

Q: How do I clear a U0131 code?
A: After repairs, use an OBD-II scanner to clear the code and verify the fix.

Last updated: Jan 15, 2026 • Source: internal database
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