VW Code 02539
02539 Description And Summary : |
|---|
The problem is about bank 1 sensor 1, internal resistance too high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 1 mixture adaptation range 3, rich limit exceeded . So for next engine coolant bypass valve, control circuit / open will delay your vw fault. |
02539 Possible Causes:
02539 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 02539 Code
- Inspect all the connections exhaust bank 3 mixture adaptation range 3, lean limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns