VW Code 03855

03855 Description And Summary :
Accumulated in electronic control units so o2 sensor pumping current trim bank 1 sensor 1, circuit high the system depends on oil pressure to switch between cam profiles shift lock, short to ground also secondary air injection system air flow/pressure sensor bank 2, circuit high is the final reason of the code.

03855 Possible Causes:

03855 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Glow Plug/Heater Circuit 'A' Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Fuel Temperature Sensor B Circuit Range/Performance
Cold Start Injector 1 Malfunction

What To Check After Fixing 03855 Code

Inspect all the connections exhaust gas temperature control circuit bank 3, out of range
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03855 Fault Code For Volkswagen Vehicles

The fault code 03855 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 03855 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