P15D0
Coolant Pump RPM Out of Range
P15D0 is an OBD-II diagnostic trouble code meaning: Coolant Pump RPM Out of Range. Common causes: electrical coolant pump malfunction, problems with pump wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Engine overheating
- Unstable operation of the cooling system
- Check engine light comes on
- Reducing engine power in protection mode
- Unusual noises from the coolant pump
Causes
- Electrical coolant pump malfunction
- Problems with pump wiring or connectors
- Faulty pump relay or fuse
- Problems with the engine control unit
- Mechanical damage to the pump or its drive mechanism
How to Fix
- Check coolant pump fuses and relays
- Diagnose the electrical circuit of the pump
- Check the functionality of the coolant pump
- If necessary, replace the coolant pump
- Check and update the ECU software if updates are available
Related codes
FAQ
What does the P15D0 code mean?
P15D0 is an OBD-II diagnostic trouble code that indicates: Coolant Pump RPM Out of Range
What causes a P15D0 error code?
The most common causes of P15D0 include: Electrical coolant pump malfunction; Problems with pump wiring or connectors; Faulty pump relay or fuse; Problems with the engine control unit.
How do I fix a P15D0 diagnostic trouble code?
To fix P15D0: Check coolant pump fuses and relays. Diagnose the electrical circuit of the pump. Check the functionality of the coolant pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P15D0?
Do not drive — repair immediately
How much does it cost to fix P15D0?
The estimated repair cost for P15D0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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