VW Code 09523
09523 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 3, probe 2 no activity also secondary air injection pump-c-relay (j704), circuit short to b+ will delay your vw fault. |
09523 Possible Causes:
09523 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 09523 Code
- Inspect all the connections coolant fan control 2: open or 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