What this code means

The electric coolant pump is not performing as expected.

Symptoms

• Intermittent overheating
• Check engine light
• Reduced cabin heat

Common causes

• Weak pump motor
• Partial blockage
• Control module fault
• Low coolant

Diagnostic steps

1. Verify coolant level
2. Monitor pump current draw
3. Check for blockage

Repair notes

Check coolant level first. Replace pump if current draw abnormal.

Other Powertrain codes on this vehicle