P1586 Ford Code - Throttle Control Unit Throttle Position Malfunction
Quick Answer
The P1586 Ford diagnostic trouble code (DTC) indicates a malfunction within the throttle control unit related to the throttle position. Common causes include Faulty throttle position sensor: A malfunctioning throttle position sensor can trigger the P1586 code, Wiring issues: Damaged or corroded wiring connections to the throttle control unit can cause communication errors, Throttle control unit failure: The throttle control unit itself may be faulty and require replacement. 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
- P1586 Ford indicates Throttle Control Unit Throttle Position Malfunction.
- Common causes
- Common causes include Faulty throttle position sensor: A malfunctioning throttle position sensor can trigger the P1586 code, Wiring issues: Damaged or corroded wiring connections to the throttle control unit can cause communication errors, Throttle control unit failure: The throttle control unit itself may be faulty and require replacement.
- 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.
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Code P1586 Ford Description
The P1586 Ford diagnostic trouble code (DTC) indicates a malfunction within the throttle control unit related to the throttle position. The throttle control unit is responsible for managing the airflow into the engine, which directly affects the vehicle's performance. When this unit malfunctions, it can lead to erratic engine performance, reduced power, poor fuel efficiency, and even stalling.
Common Causes of P1586 Ford
- Faulty throttle position sensor: A malfunctioning throttle position sensor can trigger the P1586 code.
- Wiring issues: Damaged or corroded wiring connections to the throttle control unit can cause communication errors.
- Throttle control unit failure: The throttle control unit itself may be faulty and require replacement.
- ECM malfunction: An issue with the engine control module can also lead to the P1586 code.
Symptoms of P1586 Ford
- Engine hesitation or surging: The engine may hesitate or surge unexpectedly, especially during acceleration.
- Reduced power or acceleration: The vehicle may struggle to accelerate or respond sluggishly to throttle inputs.
- Stalling: The engine may stall intermittently, particularly at idle or when coming to a stop.
- Check Engine Light: The Check Engine Light may illuminate on the dashboard, indicating a problem with the throttle control unit.
How to Fix P1586 Ford
- Diagnose the issue: Use a diagnostic scan tool to retrieve the P1586 code and perform further testing to identify the specific cause of the problem.
- Inspect throttle position sensor: Check the throttle position sensor for proper operation and replace if necessary.
- Check wiring connections: Inspect the wiring connections to the throttle control unit for any damage or corrosion and repair as needed.
- Replace throttle control unit: If the throttle control unit is found to be faulty, replace it with a new unit to resolve the issue.
- Clear codes and test: Clear the DTC codes from the ECM, reset the system, and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P1586 Ford
The typical repair costs for addressing a P1586 Ford code can vary depending on the specific cause of the issue and the parts required for repair. In general, replacing a faulty throttle position sensor or throttle control unit can range from $150 to $400, including parts and labor. However, it is essential to note that the actual cost may vary based on the location, vehicle make and model, and labor rates at the repair shop. Diagnostic time and labor rates can typically range from $80 to $150 per hour, so it's advisable to inquire with local auto repair shops for a more accurate estimate.
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