U355A

Charge Air Cooler Outlet Pressure Sensor 1 Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable engine idling
Check Engine light comes on
Dips during acceleration

Causes

Pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Leaks in the charge air system
Engine control unit malfunction

How to Fix

Check the integrity of the wiring to the sensor
Check the sensor connector for corrosion
Test the pressure sensor with a multimeter
Check the charge air system for leaks
Replace pressure sensor if necessary

Related codes

U355B U355C P0236