C3603 Trouble Code

View C3603 obd/2 error code description and symptoms. C3603 engine photo

The Transmission Range Sensor (also referred to as the PRNDL input an/or neutral safety switch) tells the transmission control module (TCM) an the engine control module (PCM) that the transmission is in park, reverse, neutral, drive, low, 2nd, 3rd etc. It is attached directly to the manual valve of transmission, so when the shift lever is moved from park to drive, the Transmission Range Sensor communicates this critical information to the above mentioned vehicle control module systems.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code C3603, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code C3603 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

C3603 Error Code Repair Process :

If your a/c temperature sensor out of range 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 C3603 and engine control unit are in charge of monitoring a bunch of different a/c temperature sensor out of range, and if they get a reading that's a little out of whack, up pops the check engine light.

C3603 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 C3603

A common cause of code C3603 is the failure of A/C Temperature Sensor Out of Range, but there are several other possible causes as well, such as ;

Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Faulty front heated oxygen sensor
Fuel Injectors circuit poor electrical connection
Exhaust tube

C3603 code for all cars

You can view according C3603 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C3603 Bentley Mark V

+C3603 Zastava 1300

+C3603 Mitsubishi Montero

+C3603 Nissan Pathfinder

+C3603 Land Rover Series Ii

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

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