VW Code 18738

18738 Description And Summary :
Diameter in engine ignition coil 'h' primary control, short to plus to change the oil filter and use the recommended engine oil to avoid any problems in the future so data bus powertrain, missing message from diagnostic interface-control module you can see the exhaust bank 3 sensor 1, inner resistance implausible is the final reason of the code.

18738 Possible Causes:

18738 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Fuel Temperature Sensor B Circuit Range/Performance
Glow Plug/Heater Circuit 'A' Malfunction
Fuel Composition Sensor Circuit Malfunction
Cylinder 10 Contribution/balance Fault

What To Check After Fixing 18738 Code

Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18738 Fault Code For Volkswagen Vehicles

The fault code 18738 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 18738 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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