AutoCodes – Isuzu – P1285 Isuzu

P1285 Isuzu Code - Accelerator Pedal Position Sensor 3 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: P1285 Isuzu indicates Accelerator Pedal Position Sensor 3 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 7,056

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 P1285 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 P1285 Isuzu - Accelerator Pedal Position Sensor 3 Circuit - AutoCodes.com — P1285 Isuzu Code - Accelerator Pedal Position Sensor 3 Circuit

What does this mean?

What are the Possible Causes of the DTC P1285 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 P1285 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 P1285 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 P1285 Isuzu 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 P1285 Isuzu Code

1. What are the common symptoms of OBDII code P1285 in an Isuzu related to the Accelerator Pedal Position Sensor 3 circuit?

- Common symptoms may include issues with acceleration, reduced engine power, and the vehicle going into "limp mode."

2. What are some possible causes of the P1285 code in an Isuzu?

- The code P1285 in an Isuzu is typically triggered by a faulty Accelerator Pedal Position Sensor 3, wiring issues, or a problem with the sensor circuit.

3. How can I diagnose the P1285 code related to the Accelerator Pedal Position Sensor 3 circuit in my Isuzu?

- Diagnosing the P1285 code usually involves using an OBDII scanner to read the code, checking the sensor's wiring for damage, and testing the sensor's functionality.

4. Can I still drive my Isuzu with the P1285 code present?

- It is not recommended to drive your Isuzu with the P1285 code active, as it can lead to performance issues and potential safety hazards.

5. What are some repair tips for fixing the P1285 code in an Isuzu?

- Repairing the P1285 code often involves replacing the Accelerator Pedal Position Sensor 3, checking and repairing any damaged wiring, and clearing the code with an OBDII scanner.

6. Is it possible to reset the P1285 code in an Isuzu without fixing the underlying issue?

- While you can clear the code temporarily with an OBDII scanner, it is crucial to address the root cause of the P1285 code to prevent it from recurring.

7. How much does it typically cost to repair the P1285 code in an Isuzu?

- The cost of repairing the P1285 code in an Isuzu can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix the P1285 code in an Isuzu?

- If you have the necessary tools, knowledge, and experience, you may be able to address the P1285 code yourself by replacing the Accelerator Pedal Position Sensor 3 and checking the wiring.

9. Will the P1285 code cause my Isuzu to fail an emissions test?

- Yes, the P1285 code can potentially cause your Isuzu to fail an emissions test due to the impact on engine performance and emissions control systems.

10. How urgent is it to address the P1285 code in an Isuzu?

- It is essential to address the P1285 code promptly to prevent further damage to your Isuzu's engine and ensure safe and reliable operation.