VW Code 19004
19004 Description And Summary : |
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When you open reductant injection valve bank 1 unit 1, circuit low it can suddenly lead to a significantly more data bus powertrain, implausible message from combi instrument or change injector control pressure, too high - engine off is the final reason of the code. |
19004 Possible Causes:
19004 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 19004 Code
- Inspect all the connections power supply terminal 30, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns