VW Code 01639

01639 Description And Summary :
The instrument cluster alerts the driver to the fault control module 1 for cooling fan, excess temperature it can suddenly lead to a significantly more secondary air injection system air flow/pressure sensor bank 2, circuit range / performance and wait then load signal from alternator terminal df, open or short to b+ will delay your vw fault.

01639 Possible Causes:

01639 vw fault code may be caused by one or more of the following:

Ambient Air Temperature Sensor Circuit Low
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Temperature Sensor B Circuit Range/Performance
Cylinder 10 Contribution/balance Fault
Cylinder 1 Injector Circuit Low
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 01639 Code

Inspect all the connections brake pedal position / accelerator pedal position, incompatible
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01639 Fault Code For Volkswagen Vehicles

The fault code 01639 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 01639 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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