U0743 Marcos Mantis OBD Code

OBD/2 U0743 error code description and symptoms.

Variable Cam Timing Over-advanced (Bank 1) The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing.
The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. Cam timing improperly set No oil flow to the VCT piston chamber Low oil pressure VCT solenoid valve stuck closed Camshaft advance mechanism binding (VCT unit) U0743 DTC is a check of the VCT unit.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

U0743 Marcos Mantis Error Code Repair Process :

If your sensor power supply high input 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 U0743 and engine control unit are in charge of monitoring a bunch of different sensor power supply high input, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Marcos Mantis U0743 OBD2 Code

A common cause of code U0743 is the failure of Sensor Power Supply High Input, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty select solenoid
Faulty front heated oxygen sensor
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection

U0743 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

U0743 Marcos Mantis OBD Code

U0743 Marcos Mantis Error Code Repair Process :

Common Causes of Marcos Mantis U0743 OBD2 Code

U0743 code for other Marcos cars