AutoCodes – GMC – P2624 GMC

P2624 GMC Code - Injector Control Pressure Regulator Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Injector Control Pressure Regulator (ICPR) Circuit. Common causes include Faulty Injector Control Pressure Regulator, Injector Control Pressure Regulator harness is open or shorted, Injector Control Pressure Regulator 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: P2624 GMC indicates Injector Control Pressure Regulator Circuit Low.
Common causes: Common causes include Faulty Injector Control Pressure Regulator, Injector Control Pressure Regulator harness is open or shorted, Injector Control Pressure Regulator 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 1,385

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2624 GMC Description

The Powertrain Control Module (PCM) monitors the Injector Control Pressure Regulator (ICPR) Circuit. The PCM sets the OBDII code when the Injector Control Pressure Regulator circuit is out of factory specifications.

OBDII Code P2624 GMC - Injector Control Pressure Regulator Circuit Low - AutoCodes.com — P2624 GMC Code - Injector Control Pressure Regulator Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2624 GMC?

Faulty Injector Control Pressure Regulator
Injector Control Pressure Regulator harness is open or shorted
Injector Control Pressure Regulator circuit poor electrical connection

How to Fix the DTC P2624 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 P2624 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 P2624 GMC code?

Need more information on how to fix the P2624 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2624 GMC code diagnosed by a professional: Find a repair shop in your area

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 P2624 GMC Code

1. What are the common symptoms of OBDII code P2624 GMC (Injector Control Pressure Regulator Circuit Low)?

Symptoms may include rough idling, poor acceleration, decreased fuel efficiency, and in some cases, the vehicle may go into limp mode.

2. What can cause the OBDII code P2624 GMC to trigger?

The code P2624 GMC is typically triggered by issues with the injector control pressure regulator circuit, such as a faulty injector control pressure regulator, wiring issues, or a malfunctioning PCM.

3. How serious is the OBDII code P2624 GMC?

While the vehicle may still be driveable with this code, it is important to address the underlying issue promptly to prevent potential damage to the engine or other components.

4. What are some DIY repair tips for addressing OBDII code P2624 GMC?

DIY repair tips may include checking the wiring harness for any visible damage, inspecting the injector control pressure regulator for proper functioning, and ensuring all connectors are securely connected.

5. Can a faulty fuel injector cause the OBDII code P2624 GMC to appear?

While a faulty fuel injector is not a direct cause of the P2624 code, it can contribute to related issues that may trigger the code, such as low fuel pressure or improper fuel delivery.

6. How can a mechanic diagnose the OBDII code P2624 GMC?

A mechanic may use a scan tool to read the code and perform further diagnostics to pinpoint the exact cause, such as testing the injector control pressure regulator, checking the wiring, and inspecting the PCM.

7. Is it safe to continue driving with the OBDII code P2624 GMC present?

It is generally not recommended to drive the vehicle with this code present, as it can lead to potential engine performance issues and further damage if left unaddressed.

8. How much does it typically cost to repair the OBDII code P2624 GMC?

The cost of repair can vary depending on the underlying issue causing the code, but it may involve replacing the injector control pressure regulator, repairing wiring, or addressing PCM issues.

9. Can resetting the OBDII code P2624 GMC without addressing the underlying issue solve the problem?

Resetting the code without fixing the underlying issue will only temporarily clear the code, and the issue is likely to reappear once the problem persists.

10. Are there any recalls or technical service bulletins related to the OBDII code P2624 GMC?

It is advisable to check with the manufacturer or a dealership for any recalls or technical service bulletins related to the P2624 code, as they may provide valuable information or assistance in addressing the issue.