U1405 Mercedes Cl 63 OBD Code

OBD/2 U1405 error code description and symptoms.

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

U1405 Mercedes Cl 63 Error Code Repair Process :

The rule of U1405 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 ecu is defective. Likewise, overriding the OBD U1405 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 Cl 63 U1405 OBD2 Code

A common cause of code U1405 is the failure of ECU Is Defective, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Exhaust gas leaks
Faulty ignition coil (s)
Faulty variable valve timing (VVT)

U1405 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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U1405 Mercedes Cl 63 OBD Code

U1405 Mercedes Cl 63 Error Code Repair Process :

Common Causes of Mercedes Cl 63 U1405 OBD2 Code

U1405 code for other Mercedes cars