AutoCodes – GMC – P0CC2 GMC

P0CC2 GMC Code - Drive Motor Coolant Pump Performance

Quick Answer

The Starter/Generator Control Module coolant pump is a single speed ON/OFF pump that circulates coolant through the auxiliary radiator and the starter/generator to control the temperature of the starter/generator. Common causes include Faulty Starter/Generator Coolant Pump, Starter/Generator Coolant Pump harness is open or shorted, Starter/Generator Coolant Pump 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
P0CC2 GMC indicates Drive Motor Coolant Pump Performance.
Common causes
Common causes include Faulty Starter/Generator Coolant Pump, Starter/Generator Coolant Pump harness is open or shorted, Starter/Generator Coolant Pump 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 522
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 21, 2019
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Code P0CC2 GMC Description

The Starter/Generator Control Module coolant pump is a single speed ON/OFF pump that circulates coolant through the auxiliary radiator and the starter/generator to control the temperature of the starter/generator. The starter/generator cooling system is separate from the engine cooling system and does not share any coolant or components. The Starter/Generator Control Module coolant pump is controlled by the starter/generator coolant pump relay. This relay is a printed circuit board relay and integrated as part of the underhood fuse block. The relay switch and coil both receive B+. The Starter/Generator Control Module controls the relay coil by applying ground to the coil control circuit. With the coil grounded, the relay switch is closed and voltage is sent to the Starter/Generator Control Module coolant pump, which will begin circulating coolant.
The Starter/Generator Control Module uses the exponentially weighted moving average to calculate temperature fluctuations in the starter/generator cooling system. In addition, this diagnostic compares the temperature rate of change by a slope calculation within a set time when the Starter/Generator Control Module coolant pump turns ON. This diagnostic runs once after pump turns ON. If the temperature changes over time too quickly, the Starter/Generator Control Module will indicate a fault.
OBDII Code P0CC2 GMC - Drive Motor Coolant Pump Performance - AutoCodes.com
P0CC2 GMC Code - Drive Motor Coolant Pump Performance

What are the Possible Causes of the DTC P0CC2 GMC?

  • Faulty Starter/Generator Coolant Pump
  • Starter/Generator Coolant Pump harness is open or shorted
  • Starter/Generator Coolant Pump circuit poor electrical connection
  • Faulty Starter/Generator Control Module

How to Fix the DTC P0CC2 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 P0CC2 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 P0CC2 GMC 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 P0CC2 GMC Code

1. What are common symptoms of OBDII code P0CC2 GMC (Drive Motor Coolant Pump Performance)?

- Common symptoms include overheating of the drive motor, reduced power or acceleration, and illuminated warning lights on the dashboard.

2. What can cause the OBDII code P0CC2 GMC to trigger?

- The code can be triggered by issues with the drive motor coolant pump, such as a malfunctioning pump motor, a blocked coolant flow, or a faulty temperature sensor.

3. How can I diagnose the cause of the OBDII code P0CC2 GMC?

- Diagnosing the issue typically involves checking the drive motor coolant pump for proper operation, inspecting coolant levels and flow, and testing related sensors for accuracy.

4. What are the potential risks of ignoring the OBDII code P0CC2 GMC?

- Ignoring the code can lead to further damage to the drive motor coolant system, potential overheating of the drive motor, and ultimately, a breakdown of the hybrid or electric vehicle system.

5. Can I continue driving my vehicle with the OBDII code P0CC2 GMC?

- It is not recommended to continue driving the vehicle with this code present, as it can cause further damage to the drive motor coolant system and may lead to more severe issues over time.

6. How can the OBDII code P0CC2 GMC be repaired?

- Repairing the code typically involves addressing the root cause of the issue, which may include replacing the drive motor coolant pump, clearing any blockages in the system, or calibrating sensors.

7. Are there any DIY tips for addressing the OBDII code P0CC2 GMC?

- DIY tips may include checking coolant levels, inspecting for visible signs of pump damage, and ensuring proper electrical connections to the drive motor coolant pump.

8. How much does it typically cost to repair the OBDII code P0CC2 GMC?

- Repair costs can vary depending on the specific issue causing the code, but they may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a regular mechanic repair the OBDII code P0CC2 GMC, or is a specialized technician required?

- A mechanic with experience working on hybrid or electric vehicles should be able to diagnose and repair the issue related to the drive motor coolant pump and the OBDII code P0CC2 GMC.

10. Will resetting the OBDII code P0CC2 GMC resolve the issue temporarily?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the code to trigger. It is important to diagnose and repair the issue to prevent further complications.

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