VW Code 16438
16438 Description And Summary : |
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This code were stamped on VW Engine case exhaust bank 3, probe 2 internal resistance too largely causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3, probe 1 no activity also reductant injection valve bank 1 unit 1, circuit / open is the final reason of the code. |
16438 Possible Causes:
16438 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 16438 Code
- Inspect all the connections relay for exhaust cooling agent (n313), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns