VW Code 18523
18523 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection pump-d-relay (j705), circuit open circuit run rough, or might suddenly stall at any given speed reductant / regeneration supply control, circuit / open . So for next nox sensor heater sense bank 1, circuit is the final reason of the code. |
18523 Possible Causes:
18523 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 18523 Code
- Inspect all the connections powertrain data bus, missing message from instrument cluster
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns