VW Code 01439
01439 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'd' primary control, short to plus or exhaust gas recirculation vent control, circuit / open will delay your vw fault. |
01439 Possible Causes:
01439 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 01439 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns