U0493 Nissan Mid4 OBD Code

OBD/2 U0493 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

U0493 Nissan Mid4 Error Code Repair Process :

If your vehicle speed sensor malfunction 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 U0493 and engine control unit are in charge of monitoring a bunch of different vehicle speed sensor malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Nissan Mid4 U0493 OBD2 Code

A common cause of code U0493 is the failure of Vehicle Speed Sensor Malfunction, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Erratic camshaft position due to low oil pressure
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection

U0493 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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U0493 Nissan Mid4 OBD Code

U0493 Nissan Mid4 Error Code Repair Process :

Common Causes of Nissan Mid4 U0493 OBD2 Code

U0493 code for other Nissan cars