C0079 Code - Variable Effort Steering
Quick Answer
The C0079 diagnostic trouble code (DTC) relates to the variable effort steering system in a vehicle. Common causes include Faulty variable effort steering control module, Malfunctioning steering angle sensor, Power steering pump failure. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C0079 indicates Variable Effort Steering.
- Common causes
- Common causes include Faulty variable effort steering control module, Malfunctioning steering angle sensor, Power steering pump failure.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code C0079 Description
The C0079 diagnostic trouble code (DTC) relates to the variable effort steering system in a vehicle. Variable effort steering is a feature that adjusts the level of power assistance provided by the steering system based on driving conditions. This system makes steering easier at low speeds for parking and maneuvering, while providing more resistance at higher speeds for better stability and control.
Common Causes of C0079
- Faulty variable effort steering control module
- Malfunctioning steering angle sensor
- Power steering pump failure
- Electrical connection issues
- Wiring harness damage or corrosion
Symptoms of C0079
- Stiff or heavy steering feel
- Steering wheel vibration or shaking
- Inconsistent power steering assistance
- Steering wheel not returning to center position
- Illumination of the power steering warning light on the dashboard
How to Fix C0079
- Perform a diagnostic scan to retrieve the specific trouble code and identify the root cause of the issue.
- Inspect the variable effort steering control module and associated components for any visible signs of damage or malfunction.
- Check the steering angle sensor for proper operation and calibration.
- Test the power steering pump for functionality and pressure output.
- Repair or replace any faulty components, such as the control module, sensor, pump, or wiring, as needed.
Cost to Fix C0079
The cost of repairing a variable effort steering issue can vary depending on the specific cause of the problem and the extent of the repairs required. In general, the parts and labor for addressing this type of DTC can range from $200 to $800 or more. It's important to note that diagnostic time and labor rates at auto repair shops can vary significantly, so it's advisable to obtain quotes from multiple sources to ensure a fair price. Additionally, the cost may be higher at dealerships or in metropolitan areas compared to independent shops.
Need more information about the C0079 code?
Need more information on how to fix the C0079 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the C0079 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about C0079 Code
1. What are the common symptoms of OBDII code C0079 (Variable Effort Steering)?
- Common symptoms include difficulty steering, a change in steering effort while driving, and a warning light on the dashboard.
2. What are the possible causes of OBDII code C0079?
- Possible causes include a faulty variable effort steering module, issues with the steering angle sensor, wiring problems, or a malfunction in the power steering system.
3. How can I diagnose the cause of OBDII code C0079?
- Diagnosis typically involves using a professional OBDII scanner to retrieve the code, inspecting the variable effort steering components, checking the wiring for any damage, and verifying the steering angle sensor's readings.
4. Can I still drive my vehicle with OBDII code C0079 present?
- It is not recommended to continue driving your vehicle with this code present, as it can affect the steering performance and potentially compromise safety. It's best to address the issue promptly.
5. Are there any DIY repair tips for OBDII code C0079?
- DIY repair for this code may involve checking and cleaning the connections to the variable effort steering module, ensuring the steering angle sensor is properly calibrated, and inspecting the power steering system for leaks or malfunctions.
6. How much does it typically cost to repair OBDII code C0079?
- Repair costs can vary depending on the underlying cause and the extent of the issue. It's recommended to consult a professional mechanic for an accurate diagnosis and repair estimate.
7. Can a faulty variable effort steering module cause OBDII code C0079?
- Yes, a malfunctioning variable effort steering module is a common cause of OBDII code C0079. It can result in erratic steering behavior and trigger the diagnostic trouble code.
8. Is it safe to reset the OBDII code C0079 without addressing the underlying issue?
- While you can clear the code temporarily, it is not recommended to ignore the underlying problem. Resetting the code without fixing the root cause can lead to ongoing steering issues and potential safety hazards.
9. How important is it to address OBDII code C0079 promptly?
- It is crucial to address OBDII code C0079 promptly to ensure the safe operation of your vehicle. Ignoring steering-related issues can lead to unpredictable steering behavior and compromise driving safety.
10. Can OBDII code C0079 be intermittent or permanent?
- OBDII code C0079 can be either intermittent or permanent, depending on the underlying cause. Intermittent issues may come and go, while permanent problems persist until resolved.
Discuss the causes and fixes for C0079 OBDII Code
Code C0079 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.