P1344 – Jaguar DTC

Jaguar DTC P1344 – Accelerator pedal position (APP) sensor 1/2- range/performance problem

DTC P1344 meaning on Jaguar

DTC P1344 on a Jaguar indicates a range/performance problem with the Accelerator Pedal Position (APP) sensor 1/2. This fault code is triggered when the Engine Control Module (ECM) detects that the signal from the accelerator pedal position sensors is outside the expected range or not performing as intended.

Jaguar DTC P1344 symptoms

Symptoms of DTC P1344 on a Jaguar may include:

  • Reduced engine power
  • Acceleration hesitation
  • Check Engine Light (CEL) illuminated on the dashboard
  • Difficulty maintaining consistent speed

Jaguar DTC P1344 causes

Common causes of DTC P1344 on a Jaguar include:

  • Defective accelerator pedal position sensor
  • Wiring or connector issues in the accelerator pedal circuit
  • Faulty Engine Control Module (ECM)
  • Intermittent electrical connection problems

Jaguar DTC P1344 seriousness

The seriousness of DTC P1344 on a Jaguar lies in the potential safety implications due to erratic acceleration behavior. It is important to address this issue promptly to ensure proper vehicle operation and driver safety.

How to diagnose DTC P1344 on Jaguar

To diagnose DTC P1344 on a Jaguar, a mechanic may perform the following steps:

  1. Use a diagnostic scan tool to retrieve the fault codes and freeze frame data
  2. Inspect the accelerator pedal position sensor and its wiring for any visible damage
  3. Test the sensor’s output voltage using a multimeter
  4. Check for any loose or corroded electrical connections
  5. Perform a thorough visual inspection of the accelerator pedal assembly

How to fix DTC P1344 on Jaguar

To fix DTC P1344 on a Jaguar, the following steps may be taken:

  1. Replace the faulty accelerator pedal position sensor
  2. Repair or replace any damaged wiring or connectors in the accelerator pedal circuit
  3. If necessary, reprogram or replace the Engine Control Module (ECM)
  4. Clear the fault codes and perform a road test to ensure the issue is resolved

How to erase DTC P1344 on Jaguar

To erase DTC P1344 on a Jaguar, follow these steps:

  1. Use a diagnostic scan tool to clear the fault codes from the ECM memory
  2. Ensure that the underlying issue causing the fault code has been addressed
  3. Perform a final check to confirm that the Check Engine Light is no longer illuminated

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.