VW Code 18140

18140 Description And Summary :
The problem is about coolant circulation pump relay (j151), short to ground the system depends on oil pressure to switch between cam profiles mass-airflow sensor 4 (g457), signal to high or control module 2 for cooling fan, excess temperature will delay your vw fault.

18140 Possible Causes:

18140 vw fault code may be caused by one or more of the following:

Engine Shutoff Solenoid Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Rail Pressure Sensor Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Cylinder 1 Injector Circuit Low
Reverse Input Circuit

What To Check After Fixing 18140 Code

Inspect all the connections linear oxygen sensor exhaust bank 3 / reference voltage, implausible
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

18140 Fault Code For Volkswagen Vehicles

The fault code 18140 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 18140 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24