AutoCodes – Isuzu – P1280 Isuzu

P1280 Isuzu Code - Accelerator Pedal Position Sensor 2 Circuit

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
P1280 Isuzu indicates Accelerator Pedal Position Sensor 2 Circuit.
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 10,598
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2019
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Code P1280 Isuzu 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 P1280 Isuzu - Accelerator Pedal Position Sensor 2 Circuit - AutoCodes.com
P1280 Isuzu Code - Accelerator Pedal Position Sensor 2 Circuit

What are the Possible Causes of the DTC P1280 Isuzu?

  • 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 P1280 Isuzu?

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 P1280 Isuzu 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.

Need more information about the P1280 Isuzu code?

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Need Help with the Code?

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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 P1280 Isuzu Code

1. What are the common symptoms of OBDII code P1280 in an Isuzu related to the Accelerator Pedal Position Sensor 2 Circuit?

- Common symptoms include reduced engine power, hesitation or stalling during acceleration, and the illumination of the Check Engine Light.

2. What can cause the OBDII code P1280 in an Isuzu?

- The code P1280 is typically triggered by a faulty Accelerator Pedal Position Sensor 2, damaged wiring or connectors in the sensor circuit, or issues with the sensor's calibration.

3. How can I diagnose the cause of OBDII code P1280 in my Isuzu?

- Diagnosing the P1280 code involves inspecting the Accelerator Pedal Position Sensor 2 and its wiring for any visible damage, testing the sensor's output using a multimeter, and checking for proper voltage and ground connections.

4. Can a dirty throttle body cause the OBDII code P1280 in an Isuzu?

- While a dirty throttle body can cause performance issues, it is not typically the direct cause of the P1280 code. However, it is recommended to clean the throttle body as part of routine maintenance to ensure optimal performance.

5. How can I repair OBDII code P1280 in my Isuzu?

- Repairing the P1280 code often involves replacing the faulty Accelerator Pedal Position Sensor 2, repairing damaged wiring or connectors, and clearing the code using an OBDII scanner.

6. Is it safe to continue driving my Isuzu with the OBDII code P1280 present?

- It is not recommended to drive your Isuzu with the P1280 code present, as it can lead to further engine performance issues and potential safety hazards. It is best to address the underlying cause promptly.

7. Can I reset the OBDII code P1280 in my Isuzu without making any repairs?

- While you can clear the code using an OBDII scanner, it is crucial to address the underlying issue causing the P1280 code. Ignoring the problem can lead to ongoing performance issues and potential damage to your vehicle.

8. Is the Accelerator Pedal Position Sensor 2 the same as the throttle position sensor in an Isuzu?

- The Accelerator Pedal Position Sensor 2 and the throttle position sensor are separate components in Isuzu vehicles. The Accelerator Pedal Position Sensor 2 specifically monitors the position of the accelerator pedal, while the throttle position sensor monitors the position of the throttle plate.

9. Can a bad Accelerator Pedal Position Sensor 2 affect fuel economy in an Isuzu?

- Yes, a malfunctioning Accelerator Pedal Position Sensor 2 can negatively impact fuel economy in an Isuzu by causing inefficient engine performance and improper fuel delivery.

10. How much does it typically cost to repair the OBDII code P1280 related to the Accelerator Pedal Position Sensor 2 Circuit in an Isuzu?

- The cost of repairing the P1280 code can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

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