Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the pump that helps cool the air going into the engine isn't spinning at the right speed.
The charge air cooler coolant pump is responsible for circulating coolant through the charge air cooler. This code indicates that the pump's RPM (revolutions per minute) is not within the expected range.
The P15E0 code is triggered when the engine control module (ECM) detects that the RPM of the charge air cooler coolant pump is outside the specified range. This could be due to a malfunctioning pump, electrical issue, or a problem with the sensor that monitors the pump's speed.
• Check engine light is on
• Reduced engine performance
• Overheating of the charge air cooler
• Faulty charge air cooler coolant pump
• Electrical issues such as wiring or connector problems
• Defective RPM sensor
Charge Air Cooler: A device that cools the air compressed by the turbocharger before it enters the engine.
Coolant Pump: A pump that circulates coolant through the engine and cooling system.
• Check for any other related trouble codes.
• Inspect the wiring and connectors for damage or corrosion.
• Test the charge air cooler coolant pump for proper operation.
• Replace the faulty charge air cooler coolant pump.
• Repair or replace damaged wiring or connectors.
• Replace the defective RPM sensor.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Chevrolet Cruze
• Buick Encore
• GMC Terrain
• Regular maintenance of the cooling system
• Ensure proper coolant levels
• Inspect electrical connections periodically
Engine Performance
• Do not ignore the check engine light.
• Seek professional diagnosis if unsure.
• Monitor engine performance and temperature.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been reported in vehicles with turbocharged engines where the charge air cooler is an integral part of the system.
Moderate – While the vehicle may still be drivable, it is important to address this issue to prevent potential engine damage.
Operating a vehicle with a malfunctioning cooling system can lead to engine damage and may not comply with emissions regulations.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The charge air cooler coolant pump is typically located near the front of the engine bay, close to the radiator or charge air cooler.
Q: Can I drive with a P15E0 code?
A: It's not recommended to drive for extended periods with this code, as it may lead to engine overheating.
Q: How do I reset the P15E0 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, the code should not return.
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