B3681 Trouble Code

OBD/2 B3681 error code description and symptoms.

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

Difficulty Level (Soso)
Level
Repair Time (30 Min.)
Time
Cost Prediction : $ 25-45

B3681 Error Code Repair Process :

For transmission transfer case counter clockwise shift relay coil open circuit 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. B3681 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 transmission transfer case counter clockwise shift relay coil open circuit with your car's computers to find out exactly what's prompting the light to turn on.

Wrench Tool B3681 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 B3681

A common cause of code B3681 is the failure of Transmission Transfer Case Counter Clockwise Shift Relay Coil Open Circuit, but there are several other possible causes as well, such as ;

B3681 code for all cars

You can view according B3681 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+B3681 Chevrolet Alero +B3681 Lancia Flaminia +B3681 Morris Traveller +B3681 Renault Safrane +B3681 De Tomaso Deauville

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