U2377 Audi Coupe OBD Code

OBD/2 U2377 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) U2377 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.

U2377 Audi Coupe Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine U2377 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 motor # 2 input circuit short to vbat 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 motor # 2 input circuit short to vbat.

Common Causes of Audi Coupe U2377 OBD2 Code

A common cause of code U2377 is the failure of Motor # 2 Input Circuit Short to Vbat, but there are several other possible causes as well, such as ;

Camshaft advance mechanism binding (VCT unit)
Damaged camshaft position (CMP) sensor
Camshaft advance mechanism binding (VCT unit)
Faulty front heated oxygen sensor

U2377 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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U2377 Audi Coupe OBD Code

U2377 Audi Coupe Error Code Repair Process :

Common Causes of Audi Coupe U2377 OBD2 Code

U2377 code for other Audi cars