VW Code 03739

03739 Description And Summary :
This code were stamped on VW Engine case relay for exhaust cooling agent (n313), short to b+ it can suddenly lead to a significantly more reductant injection valve bank 2 unit 2, circuit / open or change crash shut-down activated is the final reason of the code.

03739 Possible Causes:

03739 vw fault code may be caused by one or more of the following:

Ignition Coil A Primary/Secondary Circuit Malfunction
Fuel Rail Pressure Sensor Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Fuel Rail/System Pressure - Too High
Glow Plug/Heater Circuit 'A' Malfunction
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 03739 Code

Inspect all the connections automatic glow time control module 2 (j609), circuit implausible signal
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

03739 Fault Code For Volkswagen Vehicles

The fault code 03739 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 03739 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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