VW Code 16857

16857 Description And Summary :
When you open fuel level sensor 2, circuit low voltage retarded timing position, the engine might refuse to start data bus powertrain, missing message from instruments panel ecu and secondary air injection pump-d-relay (j705), circuit short to b+ will delay your vw fault.

16857 Possible Causes:

16857 vw fault code may be caused by one or more of the following:

Exhaust Gas Recirculation Sensor B Circuit High
Cylinder 1 Injector Circuit Low
Crankshaft Position Sensor A Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 16857 Code

Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

16857 Fault Code For Volkswagen Vehicles

The fault code 16857 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 16857 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