U20E5 Chevrolet Silverado 3 OBD Code

OBD/2 U20E5 error code description and symptoms.

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

U20E5 Chevrolet Silverado 3 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U20E5 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If column reach feedback potentiometer circuit short to ground so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the column reach feedback potentiometer circuit short to ground.

Common Causes of Chevrolet Silverado 3 U20E5 OBD2 Code

A common cause of code U20E5 is the failure of Column Reach Feedback Potentiometer Circuit Short to Ground, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Engine Control Module (ECM)
Erratic camshaft position due to low oil pressure
Faulty Variable Camshaft Timing (VCT) position solenoid

U20E5 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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U20E5 Chevrolet Silverado 3 OBD Code

U20E5 Chevrolet Silverado 3 Error Code Repair Process :

Common Causes of Chevrolet Silverado 3 U20E5 OBD2 Code

U20E5 code for other Chevrolet cars