B3934 Trouble Code

OBD/2 B3934 error code description and symptoms.

The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

Difficulty Level (Easy)
Repair Time (20 Min.)
Cost Prediction : $ 30-110

B3934 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3934 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If driver power window one touch window relay circuit failure so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the driver power window one touch window relay circuit failure.

Wrench Tool B3934 is a kind of Body Trouble Code

Auto body problems aren't always easy to spot. Diagnosing auto body problems sometimes requires a little know-how. In this section you'll find articles dedicated to teaching you how to diagnose auto body problems.

Common Causes of B3934

A common cause of code B3934 is the failure of Driver Power Window One Touch Window Relay Circuit Failure, but there are several other possible causes as well, such as ;

B3934 code for all cars

You can view according B3934 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3934 DAF 66 +B3934 Alvis TA14 +B3934 Toyota Previa +B3934 Seat Inca +B3934 GAZ 30
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