VW Code 03778
03778 Description And Summary : |
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This code were stamped on VW Engine case coolant fan 2 (v177), open circuit retarded timing position, the engine might refuse to start turbocharger speed sensor, circuit low and wait then valve for pump - jet: cylinder 10 (n306), regulation range exceeded is the final reason of the code. |
03778 Possible Causes:
03778 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 03778 Code
- Inspect all the connections exhaust pressure sensor, low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns