C0990 Trouble Code

View C0990 obd/2 error code description and symptoms. C0990 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.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

C0990 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C0990 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If abs outlet valve coil lr circuit short to ground so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the abs outlet valve coil lr circuit short to ground.

C0990 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 C0990

A common cause of code C0990 is the failure of ABS Outlet Valve Coil LR Circuit Short To Ground, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty front heated oxygen sensor
Faulty variable valve timing (VVT)
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1

C0990 code for all cars

You can view according C0990 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0990 Renault Txe

+C0990 Nissan Leaf

+C0990 Subaru Forester

+C0990 Peugeot Escapade

+C0990 Subaru Leone

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