AutoCodes – Isuzu – P1516 Isuzu

P1516 Isuzu Code - Throttle Actuator Control Position Performance

Quick Answer

P1516 Isuzu indicates Throttle Actuator Control Position Performance. Common causes include Faulty Throttle Valve Motor, Throttle Valve Motor harness is open or shorted, Throttle Valve Motor 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: P1516 Isuzu indicates Throttle Actuator Control Position Performance.
Common causes: Common causes include Faulty Throttle Valve Motor, Throttle Valve Motor harness is open or shorted, Throttle Valve Motor 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 10,327

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 26, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1516 Isuzu Description

OBDII Code P1516 Isuzu - Throttle Actuator Control Position Performance - AutoCodes.com — P1516 Isuzu Code - Throttle Actuator Control Position Performance

What does this mean?

What are the Possible Causes of the DTC P1516 Isuzu?

Faulty Throttle Valve Motor
Throttle Valve Motor harness is open or shorted
Throttle Valve Motor circuit poor electrical connection

How to Fix the DTC P1516 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 P1516 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 P1516 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 P1516 Isuzu Code

1. What are the common symptoms of OBDII code P1516 in an Isuzu related to throttle actuator control position performance?

- Common symptoms include poor acceleration, rough idling, stalling, and the vehicle going into "limp mode."

2. What are the possible causes of OBDII code P1516 in an Isuzu?

- Causes may include a faulty throttle body, issues with the throttle position sensor, wiring problems, or a malfunctioning electronic control module.

3. How can I diagnose the OBDII code P1516 in my Isuzu at home?

- You can use an OBDII scanner to read the code and then inspect the throttle body, throttle position sensor, and related wiring for any visible damage or issues.

4. Can a dirty throttle body cause OBDII code P1516 in an Isuzu?

- Yes, a dirty throttle body can restrict airflow and affect the throttle actuator control position, potentially triggering code P1516.

5. What are some repair tips for fixing OBDII code P1516 in an Isuzu?

- Try cleaning the throttle body first to see if that resolves the issue. If not, consider replacing the throttle position sensor or seeking professional help for further diagnostics.

6. Is it safe to continue driving with OBDII code P1516 in my Isuzu?

- It's not recommended to drive extensively with this code present, as it can lead to poor performance and potential safety hazards. It's best to address the issue promptly.

7. Can a DIY enthusiast fix OBDII code P1516 in an Isuzu?

- Depending on your mechanical skills and tools available, you may be able to address simpler causes like cleaning the throttle body. For more complex issues, professional help might be necessary.

8. Will resetting the OBDII code P1516 in an Isuzu make it go away permanently?

- Resetting the code may temporarily clear the warning, but if the underlying issue is not fixed, the code is likely to reappear after some driving cycles.

9. How long does it typically take to repair OBDII code P1516 in an Isuzu?

- The repair time can vary based on the specific cause of the code and the availability of parts. Simple fixes like cleaning the throttle body can be done quickly, while sensor replacements may take longer.

10. What are the potential costs associated with repairing OBDII code P1516 in an Isuzu?

- The costs can range from inexpensive for DIY cleaning methods to more significant expenses if parts need to be replaced or professional diagnostics are required. It's advisable to get estimates from mechanics or service centers.