C3801 Trouble Code

View C3801 obd/2 error code description and symptoms. C3801 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.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C3801 Error Code Repair Process :

For damper lf circuit short to battery 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. C3801 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 damper lf circuit short to battery with your car's computers to find out exactly what's prompting the light to turn on.

C3801 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Common Causes of C3801

A common cause of code C3801 is the failure of Damper LF Circuit Short To Battery, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty front heated oxygen sensor
Dirty Oil
Faulty Intake Valve Timing Control Solenoid Valve

C3801 code for all cars

You can view according C3801 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3801 Buick 90

+C3801 Mitsubishi I

+C3801 Sta Matilde Sm

+C3801 Scion Tc

+C3801 Lamborghini Cala

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

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