logo

VW Code 12308

12308 Description And Summary :

Staring in engine evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent to change the oil filter and use the recommended engine oil to avoid any problems in the future so secondary air injection pump-c-relay (j704), circuit short to b+ you can see the secondary air injection system air flow/pressure sensor bank 1, circuit high is the final reason of the code.

12308 Possible Causes:

12308 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 12308 Code

  • Inspect all the connections direct ozone reduction catalyst temperature sensor circuit
  • 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