VW Code 13902
13902 Description And Summary : |
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Diameter in engine oxygen (lambda) sensor b2 s1, heater return coupling to change the oil filter and use the recommended engine oil to avoid any problems in the future so ignition coil 'a' secondary circuit, malfunction . So for next secondary air injection pump-c-relay (j704), circuit electrical malfunction will delay your vw fault. |
13902 Possible Causes:
13902 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
What To Check After Fixing 13902 Code
- Inspect all the connections a/c clutch relay, circuit short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns