Engine-CodesCadillac – P1276 Cadillac

P1276 Cadillac Code - Accelerator Pedal Position Sensor 1 Performance

Quick Answer

The P1276 Cadillac diagnostic trouble code (DTC) specifically refers to an issue with the Accelerator Pedal Position Sensor 1, indicating that the sensor is not performing as expected. Common causes include Faulty accelerator pedal position sensor, Wiring or connection issues, ECM 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
P1276 Cadillac indicates Accelerator Pedal Position Sensor 1 Performance.
Common causes
Common causes include Faulty accelerator pedal position sensor, Wiring or connection issues, ECM 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 P1276 Cadillac Description

The P1276 Cadillac diagnostic trouble code (DTC) specifically refers to an issue with the Accelerator Pedal Position Sensor 1, indicating that the sensor is not performing as expected. The accelerator pedal position sensor is a crucial component in modern vehicles that helps the engine control module (ECM) to determine the correct amount of fuel to inject into the engine based on the driver's input through the accelerator pedal.

OBDII Code P1276 Cadillac - Accelerator Pedal Position Sensor 1 Performance
P1276 Cadillac Code - Accelerator Pedal Position Sensor 1 Performance

Common Causes of P1276 Cadillac

  1. Faulty accelerator pedal position sensor
  2. Wiring or connection issues
  3. ECM malfunction
  4. Environmental factors such as moisture or corrosion

Symptoms of P1276 Cadillac

  1. Reduced engine performance
  2. Hesitation or stalling during acceleration
  3. Poor fuel efficiency
  4. Illuminated Check Engine Light

How to Fix P1276 Cadillac

  1. Diagnose the issue using a diagnostic scan tool to confirm the P1276 code and identify the specific cause of the problem.
  2. Inspect the accelerator pedal position sensor and its wiring for any signs of damage or corrosion.
  3. Test the sensor's functionality using a multimeter to determine if it is providing accurate readings to the ECM.
  4. Replace the accelerator pedal position sensor if it is found to be faulty, ensuring proper installation and calibration.
  5. Clear the DTC using the diagnostic scan tool and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P1276 Cadillac

The typical repair costs for addressing the P1276 Cadillac code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing the accelerator pedal position sensor can cost between $150 and $300 for the part, with additional labor costs ranging from $100 to $200. Overall, the total repair cost for this issue is likely to be in the range of $250 to $500. It is important to note that labor rates can vary based on location, vehicle make and model, and other factors, so it is advisable to check with local auto repair shops for a more accurate estimate.

When is the Code Detected?

The Engine Control Module (ECM) detected a voltage below 0.2 volts or above 4.25 volts on the APP signal

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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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