VW Code 00643
00643 Description And Summary : |
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When you open hydraulic actuator position sender (g302), electrical malfunction in circuit causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 2 unit 2, circuit low or change event data recorder request, circuit / open will delay your vw fault. |
00643 Possible Causes:
00643 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 00643 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns