C0423 Trouble Code

View C0423 obd/2 error code description and symptoms. C0423 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.

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.

C0423 Error Code Repair Process :

If your air bag diagnostic monitor ground circuit open 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 C0423 and engine control unit are in charge of monitoring a bunch of different air bag diagnostic monitor ground circuit open, and if they get a reading that's a little out of whack, up pops the check engine light.

C0423 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 C0423

A common cause of code C0423 is the failure of Air Bag Diagnostic Monitor Ground Circuit Open, but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Ignition coils circuit poor electrical connection
Fuel injectors harness is open or shorted

C0423 code for all cars

You can view according C0423 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0423 Claveau Descartes

+C0423 Hyundai Terracan

+C0423 Westfield Zei

+C0423 Stanley 20

+C0423 Holden Tf

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