AutoCodes – GMC – P1510 GMC

P1510 GMC Code - Throttle Control System Performance

Quick Answer

With the engine running, system voltage over 7v, Idle Learn procedure not running, the Powertrain Control Module (PCM) detects that the pulse width modulation (PWM) was more than 80 percent for longer than 6 seconds. Common causes include Faulty Throttle Body, Throttle Body harness is open or shorted, Throttle Body 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: P1510 GMC indicates Throttle Control System Performance.
Common causes: Common causes include Faulty Throttle Body, Throttle Body harness is open or shorted, Throttle Body 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 6,347

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
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1510 GMC Description

OBDII Code P1510 GMC - Throttle Control System Performance - AutoCodes.com — P1510 GMC Code - Throttle Control System Performance

What does this mean?

What are the Possible Causes of the DTC P1510 GMC?

Faulty Throttle Body
Throttle Body harness is open or shorted
Throttle Body circuit poor electrical connection

How to Fix the DTC P1510 GMC?

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 P1510 GMC 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 P1510 GMC code?

Need more information on how to fix the P1510 GMC code? Get Access to Factory Service Manuals

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 P1510 GMC Code

1. What are the common symptoms of OBDII code P1510 GMC (Throttle Control System Performance)?

The common symptoms include reduced engine power, difficulty accelerating, and the vehicle going into limp mode.

2. What are the possible causes of OBDII code P1510 GMC?

Possible causes include a faulty throttle body, issues with the throttle position sensor, wiring problems, or a malfunctioning electronic throttle control system.

3. How can I diagnose the cause of OBDII code P1510 GMC?

Diagnosis typically involves checking the throttle body and sensor for proper operation, inspecting the wiring for any damage, and using a diagnostic scanner to read live data from the throttle control system.

4. Can a dirty throttle body cause OBDII code P1510 GMC to trigger?

Yes, a dirty throttle body can disrupt the operation of the throttle control system and potentially trigger code P1510. Regular maintenance, including cleaning the throttle body, can help prevent this issue.

5. How can I repair OBDII code P1510 GMC?

Repair options may include cleaning or replacing the throttle body, replacing the throttle position sensor, repairing any damaged wiring, or reprogramming the electronic throttle control system.

6. Is it safe to continue driving with OBDII code P1510 GMC present?

It is not recommended to continue driving with code P1510 present, as it can lead to further engine performance issues and potential safety risks. It is best to address the problem promptly.

7. Can a DIY enthusiast fix OBDII code P1510 GMC themselves?

Depending on the root cause of the code, some DIY enthusiasts may be able to address the issue themselves by following repair guides and using the necessary tools. However, complex issues may require professional help.

8. How much does it cost to repair OBDII code P1510 GMC at a mechanic?

The cost of repairs for OBDII code P1510 GMC can vary depending on the specific cause of the issue, labor rates, and parts needed. It is advisable to obtain quotes from different mechanics for an accurate estimate.

9. Will resetting the OBDII system clear code P1510 GMC?

Resetting the OBDII system may temporarily clear the code, but it will likely return if the underlying issue is not addressed. It is important to diagnose and repair the root cause of the problem to prevent code recurrence.

10. Can extreme weather conditions trigger OBDII code P1510 GMC?

Extreme weather conditions, such as extreme cold or heat, can potentially affect the performance of the throttle control system and trigger code P1510. Ensuring proper maintenance and protection of the vehicle can help prevent weather-related issues.