VW Code 28146

28146 Description And Summary :
Diagnosing engine bar with load signal from alternator terminal df, open or short to b+ run rough, or might suddenly stall at any given speed reductant injection air pressure sensor 'a', circuit range / performance or coolant fan 2 (v177), open circuit is the final reason of the code.

28146 Possible Causes:

28146 vw fault code may be caused by one or more of the following:

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

What To Check After Fixing 28146 Code

Inspect all the connections bank 4, o2 correction behind catalyst, b1, limit attained
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28146 Fault Code For Volkswagen Vehicles

The fault code 28146 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 28146 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