P0636 Code - Power Steering Control Circuit Low
Quick Answer
The Engine Control Module (ECM) monitors the Power Steering Control Circuit. Common causes include Faulty Power Steering Control, Power Steering Control harness is open or shorted, Power Steering Control circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0636 indicates Power Steering Control Circuit Low.
- Common causes
- Common causes include Faulty Power Steering Control, Power Steering Control harness is open or shorted, Power Steering Control circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0636 Description
What are the Possible Causes of the DTC P0636?
- Faulty Power Steering Control
- Power Steering Control harness is open or shorted
- Power Steering Control circuit poor electrical connection
How to Fix the DTC P0636?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0636 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0636 Code
1. What does the OBD-II code P0636 mean?
P0636 indicates a low voltage issue in the power steering control circuit, which may affect the electronic power steering system's performance.
2. What are the common symptoms of code P0636?
Symptoms include heavy or unresponsive steering, illuminated power steering or check engine light, and possible intermittent steering assistance.
3. What causes the P0636 code to trigger?
P0636 is typically caused by issues such as a faulty power steering control module, damaged wiring or connectors, a failing power steering motor, or a weak electrical connection.
4. Can I drive with the P0636 code active?
Driving with code P0636 is not recommended, as it may result in reduced or lost power steering assistance, making the vehicle harder to steer and potentially unsafe.
5. How is the P0636 code diagnosed?
A technician will use a scan tool to confirm the code, visually inspect the power steering circuit's wiring and connectors, and test the power steering control module and related components for faults.
6. What repairs can fix the P0636 code?
Repairs may include replacing damaged wiring or connectors, repairing or replacing the power steering control module, or addressing issues with the electric power steering motor.
7. How much does it cost to fix code P0636?
Repair costs vary widely but may range from $100 to $1,000 depending on the specific issue, such as rewiring or replacing the power steering control module.
8. Can a weak battery cause the P0636 code?
Yes, a weak or failing battery can cause voltage issues in the power steering circuit, potentially triggering the P0636 code.
9. Will resetting the code fix the P0636 issue?
Resetting the code without addressing the underlying issue will not fix the problem, and the code will likely return.
10. Is the P0636 code related to hydraulic power steering systems?
No, the P0636 code typically applies to vehicles with electronic power steering (EPS) systems, not hydraulic systems.
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