VW Code 00738

00738 Description And Summary :
The instrument cluster alerts the driver to the fault engine coolant bypass valve, control circuit high causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic and wait then intake manifold runner position sensor / switch, circuit bank 1 will delay your vw fault.

00738 Possible Causes:

00738 vw fault code may be caused by one or more of the following:

Fuel Rail Pressure Sensor Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Fuel Rail/System Pressure - Too High
Clutch Position Sensor Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 00738 Code

Inspect all the connections turbocharger speed sensor, circuit low
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

00738 Fault Code For Volkswagen Vehicles

The fault code 00738 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 00738 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