C1787 Trouble Code

View C1787 obd/2 error code description and symptoms. C1787 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 C1787

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.

C1787 Error Code Repair Process :

For turbocharger wastegate solenoid b low check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. C1787 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks turbocharger wastegate solenoid b low with your car's computers to find out exactly what's prompting the light to turn on.

C1787 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 C1787

A common cause of code C1787 is the failure of Turbocharger Wastegate Solenoid B Low, but there are several other possible causes as well, such as ;

Continuous oil flow to the VCT piston chamber
Damaged ECM
EVAP system hose leaking
Open or short in the VCT circuit

C1787 code for all cars

You can view according C1787 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C1787 Revere M

+C1787 Smart Fortwo I

+C1787 Duesenberg A

+C1787 Datsun 240

+C1787 Glas 1500

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

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