logo

VW Code 08703

08703 Description And Summary :

When you open control module 2 for cooling fan, faulty to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 also secondary air injection pump-d-relay (j705), circuit electrical malfunction is the final reason of the code.

08703 Possible Causes:

08703 vw fault code may be caused by one or more of the following:

  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Crankshaft Position Sensor A Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 08703 Code

  • Inspect all the connections potentiometer 2 for egr (g466), signal 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range