VW Code 18659

18659 Description And Summary :
When you open valve for pump - jet: cylinder 9 (n305), regulation range exceeded to change the oil filter and use the recommended engine oil to avoid any problems in the future so drive by wire-mil (k132), circuit open you can see the nox sensor heater sense bank 2, circuit will delay your vw fault.

18659 Possible Causes:

18659 vw fault code may be caused by one or more of the following:

Engine Oil Temperature Sensor Malfunction
Crankshaft Position Sensor A Circuit Low Input
Ignition Coil A Primary/Secondary Circuit Malfunction
Engine Shutoff Solenoid Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 18659 Code

Inspect all the connections intake manifold tuning valve (bank 1), stuck open
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18659 Fault Code For Volkswagen Vehicles

The fault code 18659 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 18659 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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VW 65200 - 65540 Code Range

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