U2559 Mercedes C 230 OBD Code

OBD/2 U2559 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.

U2559 Mercedes C 230 Error Code Repair Process :

If your air suspension rf height sensor 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 U2559 and engine control unit are in charge of monitoring a bunch of different air suspension rf height sensor circuit open, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Mercedes C 230 U2559 OBD2 Code

A common cause of code U2559 is the failure of Air Suspension RF Height Sensor Circuit Open, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty TCM or TCM programming
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Faulty spark plug (s)

U2559 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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U2559 Mercedes C 230 OBD Code

U2559 Mercedes C 230 Error Code Repair Process :

Common Causes of Mercedes C 230 U2559 OBD2 Code

U2559 code for other Mercedes cars