ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Diagnose Your Check Engine Light

Enter OBDII code below:

Code C0605

Symptoms

• Warning light on the dashboard

• Loss of stability control

• Inconsistent steering response

Common Causes

• Faulty steering wheel angle sensor

• Damaged or corroded wiring/connectors

• Faulty control module

Glossary

OBD-II: On-Board Diagnostics, a system for self-diagnosing and reporting vehicle issues.

Sensor: A device that detects changes in the environment and sends information to other electronics.

Related Codes

• C0606

• C0607

Laymans terms

This code means that the car's computer is having trouble getting information from the sensor that tells it how much the steering wheel is turned. It's like when a video game controller isn't working right, and the game doesn't know which way you want to go.

Explanation

The steering wheel angle sensor is responsible for measuring the angle of the steering wheel. This information is crucial for systems like electronic stability control and anti-lock braking systems. An open circuit means that there is a break in the electrical path, preventing the sensor from sending data.

Technical description

The C0605 code is triggered when the vehicle's control module detects an issue with the steering wheel angle sensor circuit. This could be due to a disconnection, damage to the wiring, or a failure of the sensor itself. The steering wheel angle sensor provides important data for various vehicle stability and safety systems.

Diagnosis steps

• Use an OBD-II scanner to confirm the code.

• Inspect the wiring and connectors for damage or corrosion.

• Test the steering wheel angle sensor for proper operation.

Repair procedures

• Replace the steering wheel angle sensor if faulty.

• Repair or replace damaged wiring/connectors.

• Reprogram or replace the control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Silverado

• GMC Sierra

• Cadillac Escalade

Preventive measures

• Regular maintenance checks

• Ensure connectors are clean and secure

• Avoid harsh driving conditions that may damage wiring

Error code type

Sensor Issue

User experience recommendations

• Have the vehicle inspected by a professional if the warning light appears.

• Avoid driving in harsh conditions until the issue is resolved.

Warranty information

Check with the vehicle manufacturer for warranty coverage on sensor-related issues.

Historical data

The C0605 code has been reported in various models, particularly in vehicles with advanced stability control systems.

Urgency level

Moderate – It is important to address this issue to maintain vehicle stability and safety features.

Legal and safety notice

Ignoring this code could lead to reduced vehicle stability and safety, increasing the risk of accidents.

Testing conditions

• Vehicle must be in a safe, stationary position.

• Ensure the vehicle's battery is fully charged.

Component location

The steering wheel angle sensor is typically located near the steering column, behind the steering wheel.

FAQs

Q: Can I drive with a C0605 code?
A: It's not recommended to drive with this code active, as it may affect vehicle stability and safety systems.

Q: How do I reset the C0605 code?
A: After repairs, the code can be reset using an OBD-II scanner. However, ensure the issue is resolved before resetting.

Last updated: Jun 8, 2026 • Source: internal database
🌙