VW Code 03543
03543 Description And Summary : |
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When you open secondary air injection pump-d-relay (j705), circuit short to ground It could be due to limited air getting through your air intake please check dtc memory of central electric ecu and powertrain data bus, missing message from steering angle sensor will delay your vw fault. |
03543 Possible Causes:
03543 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
What To Check After Fixing 03543 Code
- Inspect all the connections radiator fan 2 (v177), difficulty of movement / blocked
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns