VW Code 03637
03637 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic It could be due to limited air getting through your air intake tiptronic switch recognition (f189), open circuit / signal to b+ or sensor 3 for intake air temperature (g520), signal high will delay your vw fault. |
03637 Possible Causes:
03637 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 03637 Code
- Inspect all the connections injector cylinder 13 (n390), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns