Throttle Control Unit Modulated Command Malfunction
Table of contents
P1587 JAGUAR Possible Causes
- Faulty Throttle Control Unit
- Throttle Control Unit harness is open or shorted
- Throttle Control Unit circuit poor electrical connection
How do I fix code P1587 JAGUAR?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1587 JAGUAR code
The cost of diagnosing the P1587 JAGUAR code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1587 JAGUAR Description
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.
