VW Code 11989

11989 Description And Summary :
Staring in engine nox trap, efficiency below threshold (bank 2) mechanic will need to check all electrical connections in the camshaft sensor nox sensor bank 1, circuit low also injector cylinder 14 (n391), circuit low will delay your vw fault.

11989 Possible Causes:

11989 vw fault code may be caused by one or more of the following:

Ignition/Distributor Engine Speed Input Circuit Malfunction
Crankshaft Position Sensor A Circuit Low Input
O2 Sensor Heater Circuit Malfunction
Cylinder 4 Contribution/Balance Fault
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor B Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 11989 Code

Inspect all the connections glow plug indictor light (k29), malfunction 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

11989 Fault Code For Volkswagen Vehicles

The fault code 11989 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 11989 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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