U3749 Porsche 930 OBD Code

OBD/2 U3749 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) U3749 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.

U3749 Porsche 930 Error Code Repair Process :

If your ci circuit malfunction 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 U3749 and engine control unit are in charge of monitoring a bunch of different ci circuit malfunction, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Easy)

Repair Time (45 Min.)

Cost Prediction : $ 80-120

Common Causes of Porsche 930 U3749 OBD2 Code

A common cause of code U3749 is the failure of CI Circuit Malfunction, but there are several other possible causes as well, such as ;

• Camshaft advance mechanism binding (VCT unit)
• Faulty Intake Valve Timing Control Solenoid Valve
• Faulty spark plug (s)
• Faulty Air fuel ratio (A/F) Sensor 1 Bank 1

U3749 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.

U3749 code for other Porsche cars

You can view according U3749 DTC for your car model. We selected several models to see obd2 solutions click and view it.

• U3749 Porsche 1300
• U3749 Porsche 3400
• U3749 Porsche 356
• U3749 Porsche 550
• U3749 Porsche 718
• U3749 Porsche 804
• U3749 Porsche 901
• U3749 Porsche 904
• U3749 Porsche 906
• U3749 Porsche 907
• U3749 Porsche 908
• U3749 Porsche 910
• U3749 Porsche 911
• U3749 Porsche 911 Type 991
• U3749 Porsche 911 Type 996
• U3749 Porsche 911 Type 997
• U3749 Porsche 912
• U3749 Porsche 914
• U3749 Porsche 917
• U3749 Porsche 924
• U3749 Porsche 928
• U3749 Porsche 931
• U3749 Porsche 935
• U3749 Porsche 936
• U3749 Porsche 937
• U3749 Porsche 944
• U3749 Porsche 959
• U3749 Porsche 962
• U3749 Porsche 964
• U3749 Porsche 965
• U3749 Porsche 968
• U3749 Porsche 986
• U3749 Porsche 993
• U3749 Porsche 996
• U3749 Porsche Boxster
• U3749 Porsche Boxster Type 981
• U3749 Porsche Boxster Type 986
• U3749 Porsche Boxster Type 987
• U3749 Porsche Carrera Gt
• U3749 Porsche Cayenne
• U3749 Porsche Cayenne Type 92a
• U3749 Porsche Cayenne Type 9pa
• U3749 Porsche Cayman
• U3749 Porsche Cayman Type 718
• U3749 Porsche Cayman Type 981
• U3749 Porsche Cayman Type 987
• U3749 Porsche Coupe
• U3749 Porsche Dp
• U3749 Porsche Gt
• U3749 Porsche Gt2
• U3749 Porsche Gt3
• U3749 Porsche Karisma
• U3749 Porsche Kremer
• U3749 Porsche Macan Type 95b
• U3749 Porsche Mega
• U3749 Porsche Panamera Type 970
• U3749 Porsche Panamericana
• U3749 Porsche Rsk
• U3749 Porsche Tapiro

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