P1587 Ford Code - Throttle Control Unit Modulated Command Malfunction
Quick Answer
The P1587 Ford diagnostic trouble code (DTC) indicates a malfunction in the Throttle Control Unit (TCU) modulated command. Common causes include Faulty throttle control unit components, Wiring or connection issues, Sensor malfunction. 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
- P1587 Ford indicates Throttle Control Unit Modulated Command Malfunction.
- Common causes
- Common causes include Faulty throttle control unit components, Wiring or connection issues, Sensor malfunction.
- 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 P1587 Ford Description
The P1587 Ford diagnostic trouble code (DTC) indicates a malfunction in the Throttle Control Unit (TCU) modulated command. The TCU is responsible for controlling the throttle position in response to driver input, allowing for smooth and precise acceleration. When this code is triggered, it means that there is a problem with the TCU's ability to modulate the throttle command effectively.
Common Causes of P1587 Ford
- Faulty throttle control unit components
- Wiring or connection issues
- Sensor malfunction
- Software glitch or calibration error
- Electrical interference or communication issues
Symptoms of P1587 Ford
- Erratic acceleration or surging
- Poor throttle response or unresponsive throttle
- Engine stalling or hesitation
- Reduced fuel efficiency
- Vehicle going into limp mode
How to Fix P1587 Ford
- Diagnose the issue using a diagnostic tool to retrieve the specific trouble code and perform thorough testing of the throttle control unit components.
- Inspect the wiring and connections associated with the throttle control unit for any signs of damage or corrosion. Repair or replace as necessary.
- Test the throttle position sensor and other related sensors to ensure they are functioning correctly. Replace any faulty sensors.
- Check and recalibrate the throttle control unit software to address any glitches or calibration errors that may be causing the issue.
- Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P1587 Ford
The typical repair costs for addressing a Throttle Control Unit Modulated Command Malfunction (P1587 Ford) can vary depending on the specific cause of the issue and the extent of repairs needed. In general, you can expect to pay anywhere from $200 to $500 for parts and labor to resolve this problem. However, it's important to note that diagnostic 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 check with local repair shops for a more accurate estimate based on your specific circumstances. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops may offer more competitive pricing.
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