U3795 Chevrolet K-20 OBD Code

OBD/2 U3795 error code description and symptoms.

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

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.

U3795 Chevrolet K-20 Error Code Repair Process :

If your gear control malfunction 2 check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system U3795 and engine control unit are in charge of monitoring a bunch of different gear control malfunction 2, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Chevrolet K-20 U3795 OBD2 Code

A common cause of code U3795 is the failure of Gear Control Malfunction 2, but there are several other possible causes as well, such as ;

Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Failures of clutch motion/travel sensors.
Damaged ECM
Dirty Oil

U3795 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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U3795 Chevrolet K-20 OBD Code

U3795 Chevrolet K-20 Error Code Repair Process :

Common Causes of Chevrolet K-20 U3795 OBD2 Code

U3795 code for other Chevrolet cars