Engine-CodesFord – P1585 Ford

P1585 Ford Code - Throttle Control Unit Malfunction

Quick Answer

The P1585 Ford diagnostic trouble code indicates a malfunction in the throttle control unit of the vehicle. Common causes include Faulty throttle control unit, Wiring harness issues, Sensor malfunctions. 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
P1585 Ford indicates Throttle Control Unit Malfunction.
Common causes
Common causes include Faulty throttle control unit, Wiring harness issues, Sensor malfunctions.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1585 Ford Description

The P1585 Ford diagnostic trouble code indicates a malfunction in the throttle control unit of the vehicle. The throttle control unit is a crucial component of the electronic throttle system, responsible for regulating the amount of air entering the engine. When this unit malfunctions, it can lead to a variety of performance issues and potentially dangerous driving conditions.

OBDII Code P1585 Ford - Throttle Control Unit Malfunction
P1585 Ford Code - Throttle Control Unit Malfunction

Common Causes of P1585 Ford

  1. Faulty throttle control unit
  2. Wiring harness issues
  3. Sensor malfunctions
  4. ECM communication errors
  5. Electrical system faults

Symptoms of P1585 Ford

  1. Erratic idling
  2. Stalling
  3. Hesitation during acceleration
  4. Loss of throttle response
  5. Check Engine Light illuminated

How to Fix P1585 Ford

  1. Diagnose the specific cause of the code using a scan tool to retrieve additional fault codes and data from the throttle control unit.
  2. Inspect the wiring harness for any signs of damage, corrosion, or loose connections that may be affecting the unit's operation.
  3. Test the sensors associated with the throttle control unit, such as the throttle position sensor, for proper function and calibration.
  4. Check the ECM for any communication errors or software issues that may be contributing to the malfunction.
  5. Replace the faulty throttle control unit if necessary and recalibrate the system to ensure proper operation.

Cost to Fix P1585 Ford

The typical repair costs for addressing a P1585 Ford code can vary depending on the specific cause of the malfunction and the labor rates in your area. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's important to note that the diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to contact local auto repair shops for a more accurate estimate based on your specific circumstances.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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