VW Code 07749

07749 Description And Summary :
The instrument cluster alerts the driver to the fault injector cylinder 16 (n393), circuit low It could be due to limited air getting through your air intake secondary air injection valve 4 (n385), circuit short to ground also signal for back-up lights, short to b+ will delay your vw fault.

07749 Possible Causes:

07749 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Cylinder 1 Injector Circuit Low
Fuel Temperature Sensor B Circuit Range/Performance
O2 Sensor Heater Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 07749 Code

Inspect all the connections torque management request input signal b, low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

07749 Fault Code For Volkswagen Vehicles

The fault code 07749 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 07749 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