P2CA3

Charge Air Cooler Coolant Pump Sense Circuit Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

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

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 pump circuit fuse
Diagnose the operation of the coolant pump
Check the integrity of wiring and connectors
Test the pump relay
If necessary, replace the intercooler coolant pump

Related codes

P2CA4 P2CA5 P2CA2