VW Code 18003
18003 Description And Summary : |
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The problem is about linear oxygen sensor exhaust bank 4 / pump current, short to ground run rough, or might suddenly stall at any given speed please check dtc memory of ecu number 2 also reductant injection valve bank 1 unit 2, circuit high is the final reason of the code. |
18003 Possible Causes:
18003 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 18003 Code
- Inspect all the connections torque management request input signal a, high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns