P2BA1

Coolant Pump D Underspeed

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Unstable engine operation
High temperature warning on dashboard
Reduced cooling system efficiency
Increased fuel consumption

Causes

Coolant pump fault D
Problems with the pump electrical circuit
Mechanical obstacles in the cooling system
ECU malfunction
Poor contact in pump connectors

How to Fix

Check the operation of the coolant pump D
Diagnose the electrical circuit of the pump
Remove mechanical obstacles in the cooling system
Check the connectors and contacts of the pump
If necessary, replace the coolant pump

Related codes

P2BA0 P2BA2 P2BA3