P2CAF

Charge Air Cooler Coolant Pump B Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Check Engine Light Is On
Engine overheating
Unstable operation at idle

Causes

Intercooler coolant pump malfunction
Open or short circuit in control circuit
Pump relay problems
Engine control unit malfunction
Poor contact in connectors

How to Fix

Check the operation of the intercooler coolant pump
Inspect the control circuit for damage
Check relays and fuses
Test the engine control unit
Clean contacts in connectors

Related codes

P2CAE P2CB0 P2CB1