P2771 Trouble Code

View P2771 obd/2 error code description and symptoms. P2771 engine photo

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

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.

P2771 Error Code Repair Process :

For p2771 four wheel drive (4wd) low switch 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. P2771 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 p2771 four wheel drive (4wd) low switch circuit with your car's computers to find out exactly what's prompting the light to turn on.

P2771 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P2771

A common cause of code P2771 is the failure of P2771 Four Wheel Drive (4WD) Low Switch Circuit, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty ignition coil (s)
Intake air leaks
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1

P2771 code for all cars

You can view according P2771 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2771 Isuzu Trooper

+P2771 Toyota Caserta

+P2771 Jeep Grand Wagoneer

+P2771 Toyota Blade

+P2771 Volkswagen Kombi

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

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