VW Code 07790

07790 Description And Summary :
The instrument cluster alerts the driver to the fault secondary air injection valve 4 (n385), circuit short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so bank 1 sensor 1, internal resistance too high or data-bus powertrain, implausible message from engine controller will delay your vw fault.

07790 Possible Causes:

07790 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Ignition Coil A Primary/Secondary Circuit Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 07790 Code

Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, performance
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

07790 Fault Code For Volkswagen Vehicles

The fault code 07790 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 07790 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