VW Code 14638

14638 Description And Summary :
Diameter in engine control module defective it can suddenly lead to a significantly more secondary air injection system air flow/pressure sensor bank 2, circuit range / performance you can see the data bus powertrain, implausible message from combi instrument will delay your vw fault.

14638 Possible Causes:

14638 vw fault code may be caused by one or more of the following:

Ignition Coil A Primary/Secondary Circuit Malfunction
Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Engine Oil Temperature Sensor Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Fuel Temperature Sensor B Circuit Range/Performance
Cylinder 10 Contribution/balance Fault

What To Check After Fixing 14638 Code

Inspect all the connections linear oxygen sensor exhaust bank 2 / common ground wire, short to b+
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

14638 Fault Code For Volkswagen Vehicles

The fault code 14638 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 14638 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