C3155 Trouble Code

View C3155 obd/2 error code description and symptoms. C3155 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.

One example of this would be when an automatic vehicle in placed in gear. To prevent the added drag from the torque converter and transmission from reducing the idling speed, the PCM will command the idle control valve to allow more air to enter the engine, while at the same time, adjusting the injector pulse width to inject more fuel to suit the increased amount of air. Note that the idle air control valve is closed by the PCM when the throttle plate is opened to prevent excess air from entering the engine.

C3155 Error Code Repair Process :

If your air bag crash sensor #2 ground circuit short to ground check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C3155 and engine control unit are in charge of monitoring a bunch of different air bag crash sensor #2 ground circuit short to ground, and if they get a reading that's a little out of whack, up pops the check engine light.

C3155 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 C3155

A common cause of code C3155 is the failure of Air Bag Crash Sensor #2 Ground Circuit Short To Ground, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty spark plug (s)
Intake Valve Timing Control Solenoid Valve harness is open or shorted
Radio frequency interference (RFI)

C3155 code for all cars

You can view according C3155 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3155 Bentley Azure

+C3155 Rochet-schneider 25

+C3155 Dodge Powerbox

+C3155 Porsche 928

+C3155 Holden Hd

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