AutoCodes – Cadillac – P1281 Cadillac

P1281 Cadillac Code - Accelerator Pedal Position Sensor 2 Performance

Quick Answer

The Accelerator Pedal Position (APP) sensors are located within the Throttle Actuator Control (TAC) module assembly. Common causes include Faulty Accelerator Pedal Position (APP), Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection. 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: P1281 Cadillac indicates Accelerator Pedal Position Sensor 2 Performance.
Common causes: Common causes include Faulty Accelerator Pedal Position (APP), Accelerator Pedal Position harness is open or shorted, Accelerator Pedal Position circuit poor electrical connection.
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.

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Code Popularity 3,286

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1281 Cadillac Description

The Accelerator Pedal Position (APP) sensors are located within the Throttle Actuator Control (TAC) module assembly. The TAC module assembly is mounted to the accelerator pedal bracket. There are 3 individual APP sensors within the TAC module. Three separate signal circuits, low reference circuits, and 5-volt reference circuits are used in order to determine the accelerator pedal position. The APP sensor signal voltages increase when the accelerator pedal is depressed.

OBDII Code P1281 Cadillac - Accelerator Pedal Position Sensor 2 Performance - AutoCodes.com — P1281 Cadillac Code - Accelerator Pedal Position Sensor 2 Performance

What does this mean?

What are the Possible Causes of the DTC P1281 Cadillac?

Faulty Accelerator Pedal Position (APP)
Accelerator Pedal Position harness is open or shorted
Accelerator Pedal Position circuit poor electrical connection

How to Fix the DTC P1281 Cadillac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1281 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.

Frequently Asked Questions about P1281 Cadillac Code

1. What are common symptoms of OBDII code P1281 in a Cadillac related to the Accelerator Pedal Position Sensor 2 performance?

- Common symptoms include reduced engine power, hesitation or stalling during acceleration, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P1281 in a Cadillac?

- The code P1281 in a Cadillac is often caused by a faulty Accelerator Pedal Position Sensor 2, wiring issues, or a problem with the throttle body.

3. How can I diagnose the issue causing OBDII code P1281 in my Cadillac?

- Diagnosis typically involves using a scan tool to read the code, checking the wiring and connector of the Accelerator Pedal Position Sensor 2, and testing the sensor's voltage output.

4. Can I continue driving my Cadillac with OBDII code P1281 present?

- It's not recommended to drive your Cadillac with the code P1281 present, as it can lead to further damage or safety concerns due to erratic engine performance.

5. How can I repair OBDII code P1281 related to the Accelerator Pedal Position Sensor 2 in my Cadillac?

- Repairing the issue may involve replacing the faulty Accelerator Pedal Position Sensor 2, repairing any damaged wiring, or cleaning the throttle body.

6. Are there any preventive maintenance tips to avoid OBDII code P1281 in my Cadillac?

- Regularly inspecting and cleaning the throttle body, checking the condition of the wiring harness, and ensuring proper maintenance of the Accelerator Pedal Position Sensor 2 can help prevent the occurrence of this code.

7. Can a DIY enthusiast fix OBDII code P1281 in a Cadillac themselves?

- Depending on the individual's skill level, DIY enthusiasts may be able to diagnose and repair OBDII code P1281 related to the Accelerator Pedal Position Sensor 2 by following repair guides or consulting with a knowledgeable resource.

8. How long does it typically take to repair OBDII code P1281 in a Cadillac?

- The repair time for OBDII code P1281 can vary depending on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and repair the problem.

9. Is it necessary to reset the OBDII system after repairing code P1281 in a Cadillac?

- Yes, it's recommended to reset the OBDII system after repairing code P1281 in a Cadillac to clear the fault code and ensure proper operation of the vehicle.

10. What should I do if OBDII code P1281 in my Cadillac persists after repair attempts?

- If the code P1281 persists after repair attempts, it's advisable to seek the assistance of a professional mechanic or dealership to further diagnose and address the issue.