U0574 Mercedes-benz W123 OBD Code

OBD/2 U0574 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.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code U0574, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code U0574 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

U0574 Mercedes-benz W123 Error Code Repair Process :

The rule of U0574 code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of pressure control solenoid performance or stuck off. Likewise, overriding the OBD U0574 error in system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.

Common Causes of Mercedes-benz W123 U0574 OBD2 Code

A common cause of code U0574 is the failure of Pressure Control Solenoid Performance or Stuck Off, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty select solenoid
Air fuel ratio (A/F) Sensor 1 Bank 1 circuit poor electrical connection
Variable Camshaft Timing (VCT) position circuit is open or shorted

U0574 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

U0574 Mercedes-benz W123 OBD Code

U0574 Mercedes-benz W123 Error Code Repair Process :

Common Causes of Mercedes-benz W123 U0574 OBD2 Code

U0574 code for other Mercedes-benz cars