Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
The car's computer thinks the pump that helps cool the engine isn't spinning at the right speed.
This code indicates that the motor electronics coolant pump is not operating within the expected RPM range.
The P1A82 code is triggered when the Powertrain Control Module (PCM) detects that the RPM of the motor electronics coolant pump 'A' is outside the specified range. This could be due to a malfunction in the pump itself, electrical issues, or problems with the control circuit.
• Check Engine Light is on
• Engine overheating
• Reduced engine performance
• Faulty coolant pump
• Electrical connection issues
• Control circuit malfunction
PCM: Powertrain Control Module
RPM: Revolutions Per Minute
• Check for any additional codes and address them.
• Inspect the coolant pump and its electrical connections.
• Test the pump's RPM and compare it to the manufacturer's specifications.
• Replace the faulty coolant pump.
• Repair or replace damaged wiring or connectors.
• Update or reprogram the PCM if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $600
Moderate
• Chevrolet Volt
• Toyota Prius
• Ford Fusion Hybrid
• Regular maintenance of the cooling system
• Ensure proper coolant levels
• Inspect electrical connections periodically
Engine Performance
• Avoid driving the vehicle if overheating occurs.
• Schedule a diagnostic check as soon as possible.
Check with the vehicle manufacturer for warranty coverage on the cooling system components.
This code has been reported in hybrid and electric vehicles, where efficient cooling of the motor electronics is critical.
High – Address immediately to prevent engine damage.
Operating a vehicle with an overheating engine can lead to severe damage and may void warranties.
• Engine at operating temperature
• Vehicle stationary with engine idling
The motor electronics coolant pump is typically located near the engine or the battery pack in hybrid/electric vehicles.
Q: Can I drive my car with a P1A82 code?
A: It's not recommended, as it could lead to engine overheating and damage.
Q: How do I reset the P1A82 code?
A: After repairs, use an OBD-II scanner to clear the code. If the problem persists, the code will return.
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