U1743 Nissan 211 OBD Code

OBD/2 U1743 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.

U1743 Nissan 211 Error Code Repair Process :

If your mirror driver/passenger switch circuit failure 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 U1743 and engine control unit are in charge of monitoring a bunch of different mirror driver/passenger switch circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Expert)
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Repair Time (35 Min.)
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Cost Prediction : $ 40-75

Common Causes of Nissan 211 U1743 OBD2 Code

A common cause of code U1743 is the failure of Mirror Driver/Passenger Switch Circuit Failure, but there are several other possible causes as well, such as ;
Wrench Tool U1743 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.

U1743 code for other Nissan cars

You can view according U1743 DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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