P1587 Jaguar Code - Throttle Control Unit Modulated Command Malfunction
Quick Answer
The Powertrain Control Module (PCM) tests the electronic throttle for the ability of the throttle plate to return to the default (limp home) position from both the open and closed positions. Common causes include Faulty Throttle Control Unit, Throttle Control Unit harness is open or shorted, Throttle Control Unit circuit poor electrical connection. 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 Jaguar indicates Throttle Control Unit Modulated Command Malfunction.
- Common causes
- Common causes include Faulty Throttle Control Unit, Throttle Control Unit harness is open or shorted, Throttle Control Unit circuit poor electrical connection.
- 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.
Code P1587 Jaguar Description
What are the Possible Causes of the DTC P1587 Jaguar?
- Faulty Throttle Control Unit
- Throttle Control Unit harness is open or shorted
- Throttle Control Unit circuit poor electrical connection
How to Fix the DTC P1587 Jaguar?
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 P1587 Jaguar 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 P1587 Jaguar Code
1. What are the common symptoms of OBDII code P1587 in a Jaguar related to Throttle Control Unit Modulated Command Malfunction?
The common symptoms include rough idling, reduced engine power, hesitation or jerking during acceleration, and the Check Engine Light illuminating.
2. What could be the possible causes of OBDII code P1587 in a Jaguar indicating Throttle Control Unit Modulated Command Malfunction?
Potential causes may include a faulty throttle control unit, wiring issues, electronic throttle control module problems, or a malfunctioning accelerator pedal position sensor.
3. How can I diagnose the OBDII code P1587 in a Jaguar for Throttle Control Unit Modulated Command Malfunction?
Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the throttle control unit's wiring and connections, and testing the electronic throttle control module and related components for proper operation.
4. Is it safe to continue driving with OBDII code P1587 in a Jaguar indicating Throttle Control Unit Modulated Command Malfunction?
It is not recommended to drive the vehicle with this code present, as it can lead to further damage or safety issues due to potential throttle control problems.
5. How can I repair OBDII code P1587 in a Jaguar for Throttle Control Unit Modulated Command Malfunction?
Repair options may include replacing the throttle control unit, repairing any damaged wiring or connectors, recalibrating the electronic throttle control module, or addressing any issues with the accelerator pedal position sensor.
6. Are there any maintenance tips to prevent OBDII code P1587 in a Jaguar related to Throttle Control Unit Modulated Command Malfunction?
Regularly inspecting and maintaining the throttle control system, keeping the electronic components clean and free of debris, and addressing any warning signs promptly can help prevent this code from occurring.
7. Can a DIY enthusiast fix OBDII code P1587 in a Jaguar for Throttle Control Unit Modulated Command Malfunction?
While some basic diagnostic steps can be taken by a DIY enthusiast, repairing this code often requires specialized tools and expertise, so it is recommended to consult a professional mechanic for proper diagnosis and repair.
8. How much does it typically cost to repair OBDII code P1587 in a Jaguar for Throttle Control Unit Modulated Command Malfunction?
The cost of repair can vary depending on the specific cause of the code, the parts needed, and labor costs. It is advisable to obtain quotes from different repair shops to compare prices.
9. Can resetting the OBDII code P1587 in a Jaguar related to Throttle Control Unit Modulated Command Malfunction make it go away permanently?
Simply resetting the code without addressing the underlying issue will not make it go away permanently. It is crucial to diagnose and fix the root cause of the problem to prevent the code from reoccurring.
10. How long does it typically take to repair OBDII code P1587 in a Jaguar for Throttle Control Unit Modulated Command Malfunction?
The repair time can vary based on the complexity of the issue, availability of parts, and the mechanic's expertise. It is best to consult with a professional to get an estimate of the repair duration.
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