Engine-CodesCadillac – P1275 Cadillac

P1275 Cadillac Code - Accelerator Pedal Position Sensor 1 Circuit

Quick Answer

The diagnostic trouble code P1275 for Cadillac vehicles specifically refers to an issue with the Accelerator Pedal Position Sensor 1 Circuit. Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the sensor circuit, 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
P1275 Cadillac indicates Accelerator Pedal Position Sensor 1 Circuit.
Common causes
Common causes include Faulty accelerator pedal position sensor, Wiring or connector issues in the sensor circuit, 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 P1275 Cadillac Description

The diagnostic trouble code P1275 for Cadillac vehicles specifically refers to an issue with the Accelerator Pedal Position Sensor 1 Circuit. This sensor is responsible for monitoring the position of the accelerator pedal and sending this information to the engine control module (ECM). The ECM uses this data to calculate the appropriate fuel delivery and ignition timing for optimal engine performance. When there is a problem with the sensor circuit, it can lead to a variety of issues that can affect the vehicle's performance and drivability.

OBDII Code P1275 Cadillac - Accelerator Pedal Position Sensor 1 Circuit
P1275 Cadillac Code - Accelerator Pedal Position Sensor 1 Circuit

Common Causes of P1275 Cadillac

  1. Faulty accelerator pedal position sensor
  2. Wiring or connector issues in the sensor circuit
  3. ECM malfunction
  4. Corrosion or moisture in the sensor circuit
  5. Mechanical damage to the sensor or related components

Symptoms of P1275 Cadillac

  1. Reduced engine power
  2. Engine stalling or hesitation
  3. Rough idling
  4. Poor fuel efficiency
  5. Check Engine Light illuminated

How to Fix P1275 Cadillac

  1. Begin by conducting a thorough inspection of the accelerator pedal position sensor and its wiring harness to check for any visible damage or corrosion.
  2. Test the sensor using a multimeter to ensure that it is sending the correct voltage signals to the ECM.
  3. If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  4. Check and repair any damaged wiring or connectors in the sensor circuit.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1275 Cadillac

The cost of repairing a P1275 code can vary depending on the specific cause of the issue. On average, the cost of replacing an accelerator pedal position sensor ranges from $100 to $200, including parts and labor. However, if additional wiring repairs or an ECM replacement is required, the cost can increase significantly. It is recommended to consult with a trusted mechanic or dealership to get an accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can vary, so it's advisable to inquire about the specific rates in your area before proceeding with the repair.

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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