P2303 Trouble Code

View P2303 obd/2 error code description and symptoms. P2303 engine photo

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

P2303 Error Code Repair Process :

If your p2303 ignition coil 1 circuit low 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 P2303 and engine control unit are in charge of monitoring a bunch of different p2303 ignition coil 1 circuit low, and if they get a reading that's a little out of whack, up pops the check engine light.

P2303 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 P2303

A common cause of code P2303 is the failure of P2303 Ignition Coil 1 Circuit Low, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Faulty Variable Camshaft Timing (VCT) position solenoid
Fuel injectors may be faulty
Open circuits caused by corrosion of electrical connectors.

P2303 code for all cars

You can view according P2303 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P2303 Mg Ta

+P2303 Audi Cabriolet

+P2303 Renault Ludo

+P2303 Mg Yb

+P2303 Skoda 120

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