B1938 Trouble Code

View B1938 obd/2 error code description and symptoms. B1938 engine photo

The issue covered by the bulletin involves a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperature operation.

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.

B1938 Error Code Repair Process :

For b1938 air bag passenger circuit short to ground check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. B1938 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks b1938 air bag passenger circuit short to ground with your car's computers to find out exactly what's prompting the light to turn on.

B1938 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 B1938

A common cause of code B1938 is the failure of B1938 Air Bag Passenger Circuit Short To Ground, but there are several other possible causes as well, such as ;

Exhaust gas leaks
Faulty Air Flow Meter
Foreign matter caught in fuel filler cap
Fuel filler cap remains open or fails to close

B1938 code for all cars

You can view according B1938 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B1938 De Tomaso Vallelunga

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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