VW Code 138

138 Description And Summary :
Diagnosing engine bar with torque management request input signal b, range / performance It could be due to limited air getting through your air intake bank 3, o2 correction behind catalyst, b1, limit attained or ecm/pcm power input, signal high is the final reason of the code.

138 Possible Causes:

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

Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Fuel Rail Pressure Sensor Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
O2 Sensor Heater Circuit Malfunction
Ambient Air Temperature Sensor Circuit Low
Clutch Position Sensor Circuit Malfunction
Fuel Rail/System Pressure - Too High

What To Check After Fixing 138 Code

Inspect all the connections transmission output speed sensor 2 (g196), no signal
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

138 Fault Code For Volkswagen Vehicles

The fault code 138 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 138 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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