B3724 Trouble Code

View B3724 obd/2 error code description and symptoms. B3724 engine photo

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

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

B3724 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine B3724 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 transmission transfer case contact plate ground return open circuit 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 transmission transfer case contact plate ground return open circuit.

Wrench Tool B3724 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 B3724

A common cause of code B3724 is the failure of Transmission Transfer Case Contact Plate Ground Return Open Circuit, but there are several other possible causes as well, such as ;

B3724 code for all cars

You can view according B3724 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3724 Mitsubishi Dion +B3724 Zagato Zeta +B3724 Bizzarrini Bz-2001 +B3724 Audi A5 +B3724 Austin 28

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