Engine-CodesGeneric – P1254

P1254 Code - Pedal Correlation PDS2 and LPDS High

Quick Answer

The P1254 diagnostic trouble code indicates a problem with the correlation between the Pedal Demand Sensor 2 (PDS2) and the Low Power Drive System (LPDS) in the vehicle. Common causes include Faulty Pedal Demand Sensor 2 (PDS2), Faulty Low Power Drive System (LPDS), Wiring issues or poor connections. 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
P1254 indicates Pedal Correlation PDS2 and LPDS High.
Common causes
Common causes include Faulty Pedal Demand Sensor 2 (PDS2), Faulty Low Power Drive System (LPDS), Wiring issues or poor connections.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1254 Description

The P1254 diagnostic trouble code indicates a problem with the correlation between the Pedal Demand Sensor 2 (PDS2) and the Low Power Drive System (LPDS) in the vehicle. The PDS2 is responsible for monitoring the driver's input on the accelerator pedal, while the LPDS regulates the power output to the drivetrain based on this input. When these two components are not in sync, it can lead to issues with the vehicle's performance.

OBDII Code P1254 - Pedal Correlation PDS2 and LPDS High
P1254 Code - Pedal Correlation PDS2 and LPDS High

Common Causes of P1254

  1. Faulty Pedal Demand Sensor 2 (PDS2)
  2. Faulty Low Power Drive System (LPDS)
  3. Wiring issues or poor connections
  4. Electronic control module malfunction

Symptoms of P1254

  1. Reduced power output
  2. Hesitation or jerking during acceleration
  3. Poor fuel efficiency
  4. Stalling

How to Fix P1254

  1. Connect a diagnostic scan tool to retrieve the specific fault codes and confirm the issue.
  2. Inspect the Pedal Demand Sensor 2 (PDS2) and Low Power Drive System (LPDS) for any visible damage or signs of wear.
  3. Check the wiring harness connecting the PDS2 and LPDS for any breaks, corrosion, or loose connections.
  4. Test the electronic control module to ensure it is functioning correctly and processing signals accurately.
  5. Replace any faulty sensors, repair or replace damaged wiring, and reprogram the electronic control module as needed to correct the issue.

Cost to Fix P1254

The typical repair costs for addressing a P1254 code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts and labor for this repair could range from $200 to $500. However, it is important to note that prices may vary based on the location of the repair shop, the make and model of the vehicle, and the complexity of the repair process. Additionally, diagnostic time and labor rates can also impact the total cost, with rates typically ranging between $80 and $150 per hour. It is advisable to consult with a qualified mechanic or repair shop for a more accurate estimate based on your individual circumstances.

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Code P1254 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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