U20DU Nissan 240 OBD Code

OBD/2 U20DU error code description and symptoms.

Intake Manifold Runner Control Malfunction (Stuck Open) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is less than an expected calibrated range at closed throttle. IMRC monitor signal circuit shorted to PWR GND or SIG RTN Damaged IMRC actuator Damaged PCM An IMRCM PID reading approximately near 1 volt at closed throttle may indicate a fault.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

U20DU Nissan 240 Error Code Repair Process :

If your mirror driver vertical feedback potentiometer circuit open 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 U20DU and engine control unit are in charge of monitoring a bunch of different mirror driver vertical feedback potentiometer circuit open, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Nissan 240 U20DU OBD2 Code

A common cause of code U20DU is the failure of Mirror Driver Vertical Feedback Potentiometer Circuit Open, but there are several other possible causes as well, such as ;

1Camshaft Position Sensor circuit poor electrical connection
Dirty Oil
Engine Control Module (ECM)
Fuel pressure

U20DU 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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U20DU Nissan 240 OBD Code

U20DU Nissan 240 Error Code Repair Process :

Common Causes of Nissan 240 U20DU OBD2 Code

U20DU code for other Nissan cars