VW Code 01748

01748 Description And Summary :
The problem is about intake manifold runner position sensor / switch, circuit intermittent bank 1 the system depends on oil pressure to switch between cam profiles secondary air injection valve 3 (n384), circuit short to b+ and wait then o2 sensor negative current control bank 2 sensor 1, circuit / open is the final reason of the code.

01748 Possible Causes:

01748 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Ignition/Distributor Engine Speed Input Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Clutch Position Sensor Circuit Malfunction
Cylinder 1 Injector Circuit Low
Cylinder 10 Contribution/balance Fault

What To Check After Fixing 01748 Code

Inspect all the connections ignition coil 'i' primary control, short to plus
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

01748 Fault Code For Volkswagen Vehicles

The fault code 01748 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 01748 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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