B3933 Volkswagen Eurovan OBD Code

OBD/2 B3933 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) B3933 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.

B3933 Volkswagen Eurovan Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3933 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If power door unlock circuit short to battery so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the power door unlock circuit short to battery.

Common Causes of Volkswagen Eurovan B3933 OBD2 Code

A common cause of code B3933 is the failure of Power Door Unlock Circuit Short To Battery, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Damaged camshaft position (CMP) sensor
Faulty variable valve timing (VVT)
Camshaft advance mechanism binding (VCT unit)

B3933 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

B3933 Volkswagen Eurovan OBD Code

B3933 Volkswagen Eurovan Error Code Repair Process :

Common Causes of Volkswagen Eurovan B3933 OBD2 Code

B3933 code for other Volkswagen cars