P1251 – Jaguar DTC

Jaguar DTC P1251 – Throttle motor relay – malfunction

DTC P1251 meaning on Jaguar

DTC P1251 for Jaguar indicates a malfunction related to the throttle motor relay. This fault code is specific to issues with the relay responsible for controlling the throttle motor in the vehicle.

Jaguar DTC P1251 symptoms

Symptoms of DTC P1251 on a Jaguar may include:

  • Engine hesitation or stalling
  • Reduced engine power
  • Difficulty accelerating smoothly
  • Illuminated check engine light

Jaguar DTC P1251 causes

Common causes of DTC P1251 on a Jaguar include:

  • Defective throttle motor relay
  • Wiring issues or poor connections related to the throttle motor relay
  • Faulty throttle motor

Jaguar DTC P1251 seriousness

The seriousness of DTC P1251 on a Jaguar depends on the extent of the malfunction. If left unresolved, it can lead to drivability issues and potential safety concerns. It is recommended to address this fault code promptly.

How to diagnose DTC P1251 on Jaguar

To diagnose DTC P1251 on a Jaguar, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and related data
  2. Inspect the throttle motor relay and associated wiring for any visible damage
  3. Test the throttle motor relay for proper functionality
  4. Check the throttle motor for any signs of malfunction

How to fix DTC P1251 on Jaguar

To fix DTC P1251 on a Jaguar, the following steps may be taken:

  1. Replace the faulty throttle motor relay
  2. Repair any damaged wiring or connections related to the relay
  3. If the throttle motor is faulty, replace it with a new one
  4. Clear the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P1251 on Jaguar

To erase DTC P1251 on a Jaguar, follow these steps:

  1. Use a diagnostic scanner to clear the fault code from the vehicle’s memory
  2. Ensure that the underlying issue causing the fault code has been addressed
  3. Perform a test drive to confirm that the fault code does not reappear

Recommended tools for Jaguar diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.