P0603 Trouble Code

View P0603 obd/2 error code description and symptoms. P0603 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 P0603

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.

Difficulty Level (Expert)
Level
Repair Time (35 Min.)
Time
Cost Prediction : $ 40-75

P0603 Error Code Repair Process :

If your p0603 internal control module keep alive memory error check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P0603 and engine control unit are in charge of monitoring a bunch of different p0603 internal control module keep alive memory error, and if they get a reading that's a little out of whack, up pops the check engine light.

Wrench Tool P0603 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P0603

A common cause of code P0603 is the failure of P0603 Internal Control Module Keep Alive Memory Error, but there are several other possible causes as well, such as ;

P0603 code for all cars

You can view according P0603 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0603 Proton Preve +P0603 Bugatti Type 18 +P0603 Kia Ceed +P0603 American Tourist +P0603 Rover P4

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

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