U1743 Nissan Be-1 OBD Code

OBD/2 U1743 error code description and symptoms.

The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

U1743 Nissan Be-1 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.

Common Causes of Nissan Be-1 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 ;

Damaged ECM
Engine Control Module (ECM)
Faulty starter motor
Faulty variable valve timing (VVT)

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.

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

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U1743 Nissan Be-1 OBD Code

U1743 Nissan Be-1 Error Code Repair Process :

Common Causes of Nissan Be-1 U1743 OBD2 Code

U1743 code for other Nissan cars