Engine-CodesBuick – P1272 Buick

P1272 Buick Code - Accelerator Pedal Position Sensor 2-3 Correlation

Quick Answer

The P1272 Buick code refers to a specific issue with the Accelerator Pedal Position Sensor 2-3 Correlation. Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or poor connections, Electronic throttle control system malfunction. 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
P1272 Buick indicates Accelerator Pedal Position Sensor 2-3 Correlation.
Common causes
Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or poor connections, Electronic throttle control system malfunction.
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 10, 2024
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Code P1272 Buick Description

The P1272 Buick code refers to a specific issue with the Accelerator Pedal Position Sensor 2-3 Correlation. This means that there is a discrepancy between the signals being sent by the two sensors that monitor the position of the accelerator pedal. This discrepancy can lead to improper fuel delivery and affect the vehicle's performance. The Accelerator Pedal Position Sensor is a crucial component of the electronic throttle control system, which regulates the amount of air entering the engine based on the driver's input. When the sensors are not in sync, it can result in hesitation, rough idling, poor acceleration, and even stalling.

OBDII Code P1272 Buick - Accelerator Pedal Position Sensor 2-3 Correlation
P1272 Buick Code - Accelerator Pedal Position Sensor 2-3 Correlation

Common Causes of P1272 Buick

  1. Faulty Accelerator Pedal Position Sensor
  2. Wiring issues or poor connections
  3. Electronic throttle control system malfunction
  4. Engine control module failure
  5. Mechanical issues with the accelerator pedal assembly

Symptoms of P1272 Buick

  1. Hesitation or lack of response when accelerating
  2. Rough idling or stalling
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Engine misfires or erratic performance

How to Fix P1272 Buick

  1. Diagnose the issue by using a scan tool to read the code and pinpoint the exact cause of the problem.
  2. Inspect the Accelerator Pedal Position Sensors, wiring, and connections for any signs of damage or corrosion.
  3. Replace any faulty sensors or repair any wiring issues that may be causing the discrepancy.
  4. Reset the engine control module and clear the code to see if the issue is resolved.
  5. Test drive the vehicle to ensure that the symptoms have been addressed and the code does not reappear.

Cost to Fix P1272 Buick

The cost of repairing a P1272 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Keep in mind that additional diagnostic time may be needed to pinpoint the exact cause of the problem, which can also affect the overall cost of the repair.

When is the Code Detected?

The Engine Control Module (ECM) compared the signal from both Accelerator Pedal Position (APP) sensors and detected a voltage difference.

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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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