P2B84

Charge Air Cooler Coolant Pump A Underspeed

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Engine overheating
Increased fuel consumption
Check Engine Light Illuminates

Causes

Intercooler coolant pump malfunction
Problems with the pump electrical circuit
Low coolant level
Intercooler cooling system clogged

How to Fix

Check coolant level
Diagnose the electrical circuit of the pump
Check pump functionality
Clean the intercooler cooling system if necessary
Replace the pump if a fault is detected

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