VW Code 02543
02543 Description And Summary : |
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This something to do with the intake camshaft timing fuel injection valve 1 (n366), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1 heater circuit, electrical malfunction or mil request signal active (check for tcm errors too!) is the final reason of the code. |
02543 Possible Causes:
02543 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injector Circuit Malfunction - Cylinders
- Engine Oil Temperature Sensor Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 02543 Code
- Inspect all the connections coolant circulation pump relay (j151), 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