logo

VW Code 00843

00843 Description And Summary :

Staring in engine secondary air injection valve 4 (n385), circuit electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 2 sensor 1 oxygen sensor signal, voltage too low during deceleration or change exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration is the final reason of the code.

00843 Possible Causes:

00843 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Shift Solenoid E Performance or Stuck Off
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 00843 Code

  • Inspect all the connections data bus powertrain, malfunction
  • 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