VW Code 15020
15020 Description And Summary : |
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Accumulated in electronic control units so control module 2 for cooling fan, faulty It could be due to limited air getting through your air intake data bus powertrain, missing message from control module battery monitoring and wait then oxygen (lambda) sensor b2 s1, pump current, short to b+ will delay your vw fault. |
15020 Possible Causes:
15020 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 15020 Code
- Inspect all the connections controller for radiator exhaust oh run (j138), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns