P2E82
Cold Start Engine Coolant Pump Overspeed
During cold start, the engine coolant pump exceeds the calibrated maximum speed. Indicates load lost or supply voltage too high.
During cold start, the engine coolant pump exceeds the calibrated maximum speed. Indicates load lost or supply voltage too high.
Common causes
- high
Pump impeller damaged
One of the most commonly reported causes for this code — check this first.
Typical part cost: $330-1980
- medium
Supply voltage above nominal
A plausible cause — test and verify before replacing parts.
Typical part cost: $330-1980
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P2E82 mean?
P2E82 means "Cold Start Engine Coolant Pump Overspeed". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P2E82?
pump impeller damaged; supply voltage above nominal — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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