P2903 Trouble Code

View P2903 obd/2 error code description and symptoms. P2903 engine photo

The Camshaft Position sensor will signal the Engine Control Module when the #1 cylinder is ready for the spark plug to fire (top-dead-center on compression stroke). The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

In most cases, the TCM is integrated into a single housing with the PCM. Nevertheless, the section of the module which controls (automatic) transmission function may be powered up separately. In any case, the TCM is typically powered using switched (only present with the ignition switch in the ON, start, or run position) voltage. This circuit is normally equipped with a fuse, fusible link, and/or a relay. Frequently, the PCM and TCM are powered using the same relay albeit by separate circuits. Access to a reliable vehicle information source will yield necessary details of the TCM power circuit for the specific vehicle in question.

P2903 Error Code Repair Process :

If your mirror driver up circuit short to ground 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 P2903 and engine control unit are in charge of monitoring a bunch of different mirror driver up circuit short to ground, and if they get a reading that's a little out of whack, up pops the check engine light.

P2903 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 P2903

A common cause of code P2903 is the failure of Mirror Driver Up Circuit Short To Ground, but there are several other possible causes as well, such as ;

Clogged or faulty fuel injector (s)
Exhaust tube
Fuel Injectors circuit poor electrical connection
EVAP canister or fuel tank leaks

P2903 code for all cars

You can view according P2903 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2903 Ats Gt

+P2903 Panhard Et Levassor 50

+P2903 De Soto Fireflite

+P2903 Tvr 2500

+P2903 Toyota Fj Cruiser

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

About Us | Contact | Privacy