U20E3 Mercedes E 63 OBD Code

OBD/2 U20E3 error code description and symptoms.

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

U20E3 Mercedes E 63 Error Code Repair Process :

The scent may U20E3 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U20E3, so if the inside of your car column reach feedback potentiometer circuit open as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Mercedes E 63 U20E3 OBD2 Code

A common cause of code U20E3 is the failure of Column Reach Feedback Potentiometer Circuit Open, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty Intake Valve Timing Control Solenoid Valve
Damaged ECM
1Camshaft Position Sensor circuit poor electrical connection

U20E3 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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U20E3 Mercedes E 63 OBD Code

U20E3 Mercedes E 63 Error Code Repair Process :

Common Causes of Mercedes E 63 U20E3 OBD2 Code

U20E3 code for other Mercedes cars