C3858 Trouble Code

View C3858 obd/2 error code description and symptoms.

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.

Difficulty Level (Soso)

Repair Time (30 Min.)

Cost Prediction : $ 75-90

C3858 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3858 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 dynamic stability control right front valve malfunction 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 dynamic stability control right front valve malfunction.

C3858 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 C3858

A common cause of code C3858 is the failure of Dynamic Stability Control Right Front Valve Malfunction, but there are several other possible causes as well, such as ;

• Camshaft Position Sensor harness is open or shorted
• Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
• Faulty ignition coil (s)
• Ignition misfiring

C3858 code for all cars

You can view according C3858 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3858 Ford Bantam

+C3858 Isuzu I-290

+C3858 Honda Cr-v

+C3858 Singer 1.5-litre

+C3858 Pag Nick

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