VW Code 28602
28602 Description And Summary : |
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The problem is about intake air heater "a", circuit range / performance the system depends on oil pressure to switch between cam profiles accelerator pedal position sensor 2 (g185), signal too low and reductant injection air pump control, circuit low is the final reason of the code. |
28602 Possible Causes:
28602 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28602 Code
- Inspect all the connections nox sensor heater sense bank 1, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns