VW Code 01898
01898 Description And Summary : |
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The problem is about secondary air injection system air flow/pressure sensor bank 1, circuit the system depends on oil pressure to switch between cam profiles data bus powertrain, missing message from control module battery monitoring and wait then data-bus powertrain missing message from distance control is the final reason of the code. |
01898 Possible Causes:
01898 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 01898 Code
- Inspect all the connections load signal from alternator terminal df, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns