VW Code 03774
03774 Description And Summary : |
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This code were stamped on VW Engine case ignition coil 'a' primary control, short to plus It could be due to limited air getting through your air intake signal buzzer activation, short to b+ or change motor for intake manifold flap (v157), malfunction is the final reason of the code. |
03774 Possible Causes:
03774 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
What To Check After Fixing 03774 Code
- Inspect all the connections o2 sensor negative current control bank 2 sensor 1, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns