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P3225

Motor/Generator Coolant Pump Control Circuit

2012-2017 Buick Regal 2.4L I4 Hybrid

High SeverityPowertrainGeneric (SAE)

Description

The coolant pump that provides cooling to the motor/generator has a control circuit fault.

Symptoms

  • Motor temperature rising
  • Reduced motor power output
  • Motor protection mode may activate
  • Coolant pump not running
  • Overtemperature warning

Common Causes

  • Coolant pump motor failure
  • Pump control relay fault
  • Wiring damage to pump
  • Pump control module failure
  • Fuse blown for pump circuit

Diagnostic Steps

  1. Command coolant pump on via scan tool
  2. Check pump motor voltage supply
  3. Test pump relay operation
  4. Measure pump motor current draw
  5. Inspect pump wiring and fuse

Repair Notes

Replace motor coolant pump or repair control circuit. Verify motor temperatures return to normal after repair.

Related Codes

P3204HV Battery Cooling System Flow Rate LowP3221Electric Motor/Generator A Overtemperature

Other Powertrain Codes

P3225 on Other Vehicles

Common Questions

What does code P3225 mean on a 2012-2017 Buick Regal?

P3225 stands for "Motor/Generator Coolant Pump Control Circuit". The coolant pump that provides cooling to the motor/generator has a control circuit fault.

What are the symptoms of P3225 on a Buick Regal?

Common symptoms of P3225 include: Motor temperature rising, Reduced motor power output, Motor protection mode may activate, Coolant pump not running, Overtemperature warning.

What causes P3225 on a 2012-2017 Buick Regal?

Common causes of P3225 include: Coolant pump motor failure, Pump control relay fault, Wiring damage to pump, Pump control module failure, Fuse blown for pump circuit.

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