P2B87
Coolant Pump A Underspeed
P2B87 is an OBD-II diagnostic trouble code meaning: Coolant Pump A Underspeed. Common causes: electrical coolant pump malfunction, problems with pump wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Engine overheating
- Unstable engine operation
- Turning the cooling fan on at high speed
- Reduced engine power
- Hot air from the interior heating system
Causes
- Electrical coolant pump malfunction
- Problems with pump wiring or connectors
- Low coolant level
- Cooling system is dirty or clogged
- Engine control unit malfunction
How to Fix
- Check the level and condition of the coolant
- Inspect the wiring and connectors of the coolant pump
- Check the operation of the coolant pump
- If necessary, replace the coolant pump
- Check and, if necessary, update the ECU software
Related codes
Error P2B87 by Vehicle Brand
FAQ
What does the P2B87 code mean?
P2B87 is an OBD-II diagnostic trouble code that indicates: Coolant Pump A Underspeed
What causes a P2B87 error code?
The most common causes of P2B87 include: Electrical coolant pump malfunction; Problems with pump wiring or connectors; Low coolant level; Cooling system is dirty or clogged.
How do I fix a P2B87 diagnostic trouble code?
To fix P2B87: Check the level and condition of the coolant. Inspect the wiring and connectors of the coolant pump. Check the operation of the coolant pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2B87?
Do not drive — repair immediately
How much does it cost to fix P2B87?
The estimated repair cost for P2B87 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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