C3515 Trouble Code

View C3515 obd/2 error code description and symptoms. C3515 engine photo

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 C3515

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.

C3515 Error Code Repair Process :

When you turn on the ignition, the Service Engine Soon or Check Engine C3515 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 courtesy lamp output failure 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 courtesy lamp output failure.

C3515 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 C3515

A common cause of code C3515 is the failure of COURTESY LAMP OUTPUT Failure, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Engine Control Module (ECM)
Faulty Intake Valve Timing Control Solenoid Valve
Internal electrical failures in actuator motors/solenoids.

C3515 code for all cars

You can view according C3515 DTC for your car model. We selected several models to see obd2 solutions click and view it.

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

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