VW Code 13994
13994 Description And Summary : |
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Accumulated in electronic control units so nox sensor heater sense bank 1, circuit range / performance mechanic will need to check all electrical connections in the camshaft sensor hydraulic pressure sensor 2, range / performance also secondary air injection pump-c-relay (j704), circuit open circuit will delay your vw fault. |
13994 Possible Causes:
13994 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 13994 Code
- Inspect all the connections hydraulic actuator position sender (g302), lower limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns