C0393 Renault Vel Satis OBD Code

OBD/2 C0393 error code description and symptoms.

The Transmission Fluid Pressure Switch allows the engine's control module (PCM) or Transmission Control Module (TCM) to use hydraulic fluid to engage the clutches in the transmission to allow for smoother shifting while driving. If the PCM or TCM detects an issue with the hydraulic clutch or the pressure switch, the PCM or TCM will set code C0393

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.

C0393 Renault Vel Satis Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C0393 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 air bag driver circuit resistance low or shorted together 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 air bag driver circuit resistance low or shorted together.

Common Causes of Renault Vel Satis C0393 OBD2 Code

A common cause of code C0393 is the failure of Air Bag Driver Circuit Resistance Low or Shorted Together, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Clogged or faulty fuel injector (s)
Ignition coils circuit poor electrical connection
Internal electrical failures in actuator motors/solenoids.

C0393 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.

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

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C0393 Renault Vel Satis OBD Code

C0393 Renault Vel Satis Error Code Repair Process :

Common Causes of Renault Vel Satis C0393 OBD2 Code

C0393 code for other Renault cars