U3869 Proton Gen2 OBD Code

OBD/2 U3869 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) U3869 DTC is a check of the VCT unit.

Regardless of the design though, the purpose of all clutch actuating systems is to improve the driving experience by removing the need for manual clutch operation by the driver. Computer-controlled clutch actuating systems work particularly well in dual clutch systems where one clutch controls gear changes of even-numbered gear ratios, and a second clutch that controls gear changes of odd-numbered ratios.

U3869 Proton Gen2 Error Code Repair Process :

If your transmission neutral safety switch open circuit 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 U3869 and engine control unit are in charge of monitoring a bunch of different transmission neutral safety switch open circuit, and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Proton Gen2 U3869 OBD2 Code

A common cause of code U3869 is the failure of Transmission Neutral Safety Switch Open Circuit, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Faulty oil control valve (OCV)
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1

U3869 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

U3869 Proton Gen2 OBD Code

U3869 Proton Gen2 Error Code Repair Process :

Common Causes of Proton Gen2 U3869 OBD2 Code

U3869 code for other Proton cars