C2105 Trouble Code

View C2105 obd/2 error code description and symptoms. C2105 engine photo

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

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.

C2105 Error Code Repair Process :

If your injector circuit open / shorted - cylinder #1 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 C2105 and engine control unit are in charge of monitoring a bunch of different injector circuit open / shorted - cylinder #1, and if they get a reading that's a little out of whack, up pops the check engine light.

C2105 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 C2105

A common cause of code C2105 is the failure of Injector Circuit Open / Shorted - Cylinder #1, but there are several other possible causes as well, such as ;

Exhaust tube
Faulty Mass Air Flow (MAF) sensor
Ignition misfiring
Foreign matter caught in fuel filler cap

C2105 code for all cars

You can view according C2105 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C2105 Dkw Sonderklasse

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