VW Code 01940
01940 Description And Summary : |
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This something to do with the intake camshaft timing o2 sensor reference voltage bank 1 sensor 1, performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so activation starter relay 2, short to b+ also load signal stuck on is the final reason of the code. |
01940 Possible Causes:
01940 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 01940 Code
- Inspect all the connections diesel particulate filter regeneration duration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns