C0089 Trouble Code

View C0089 obd/2 error code description and symptoms. C0089 engine photo

HO2S Sensor Circuit Malfunction (HO2S-11) During testing the HO2S Heaters are checked for opens/shorts and excessive current draw.
The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Short to VPWR in harness or HO2S. Water in harness connector. Open VPWR circuit. Open GND circuit. Low battery voltage. Corrosion or poor mating terminals and wiring Damaged HO2S heater. Damaged PCM.

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.

C0089 Error Code Repair Process :

For door ajar circuit short to battery check engine light is perhaps the most troubling of lights because it could mean so many different things, from you didn't screw the gas cap on tightly enough to look out for pistons flying through the hood and into the stratosphere. The easiest way to find out what this light is telling you is to hook your vehicle up to a scan tool. C0089 error code diagnostic tool looks a little like an oversized calculator and plugs into a communication port inside the car. After you instruct it to perform the scan, it speaks door ajar circuit short to battery with your car's computers to find out exactly what's prompting the light to turn on.

C0089 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 C0089

A common cause of code C0089 is the failure of Door Ajar Circuit Short To Battery, but there are several other possible causes as well, such as ;

Exhaust tube
Faulty ignition coil (s)
Damaged VCT phaser
Fuel filler cap remains open or fails to close

C0089 code for all cars

You can view according C0089 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+C0089 Isuzu Bellett

+C0089 Studebaker Champion

+C0089 Bmw 640

+C0089 Alfa Romeo Alfetta

+C0089 Moretti Fiat

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