VW Code 18842

18842 Description And Summary :
The problem is about secondary air injection pump-c-relay (j704), circuit electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor fuel mixture control adjustment range 1, lower limit not reached or change data bus powertrain, missing message for central electric controller will delay your vw fault.

18842 Possible Causes:

18842 vw fault code may be caused by one or more of the following:

Fuel Composition Sensor Circuit Malfunction
Crankshaft Position Sensor B Circuit Malfunction
Engine Shutoff Solenoid Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 18842 Code

Inspect all the connections reductant injection air pressure sensor 'a', 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

18842 Fault Code For Volkswagen Vehicles

The fault code 18842 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 18842 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