P2CB1

Charge Air Cooler Coolant Pump B Overspeed/Air In System

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Engine overheating
Reduced engine power
Unstable engine operation
Increased fuel consumption
Check engine light comes on

Causes

Intercooler coolant pump malfunction
Air in the cooling system
Problems with the pump electrical circuit
Pump speed sensor fault
Cooling system is dirty or clogged

How to Fix

Check the coolant level and remove air from the system
Check the electrical circuit of the pump for damage
Check the operation of the intercooler coolant pump
Replace the pump if it is faulty
Check and replace pump speed sensor if necessary

Related codes

P2CB0 P2CB2 P2CB3