U3357 Fiat 500l OBD Code

OBD/2 U3357 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.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

U3357 Fiat 500l Error Code Repair Process :

If your fuel delivery system malfunction - high 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 U3357 and engine control unit are in charge of monitoring a bunch of different fuel delivery system malfunction - high, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Fiat 500l U3357 OBD2 Code

A common cause of code U3357 is the failure of Fuel Delivery System Malfunction - High, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty TCM or TCM programming
Faulty Intake Valve Timing Control Solenoid Valve
Faulty select solenoid

U3357 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.

About Us | Contact | Privacy

U3357 Fiat 500l OBD Code

U3357 Fiat 500l Error Code Repair Process :

Common Causes of Fiat 500l U3357 OBD2 Code

U3357 code for other Fiat cars