VW Code 18553
18553 Description And Summary : |
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When you open nox sensor bank 1, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 mixture adaptation range 3, rich limit exceeded you can see the secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic is the final reason of the code. |
18553 Possible Causes:
18553 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 18553 Code
- Inspect all the connections starter activation, return message terminal 50, implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns