P0209 Trouble Code

View P0209 obd/2 error code description and symptoms.

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.

At this point we are assuming that the fuses and relays are good. You will need to locate the PCM/TCM and the power input signal circuit using your vehicle information source. Unplug the connector from the PCM/TCM, place the ignition switch in the ON position, and probe the appropriate circuit with the positive test lead of the DVOM.

Difficulty Level (Easy)

Repair Time (20 Min.)

Cost Prediction : $ 40-75

P0209 Error Code Repair Process :

If your p0209 injector circuit malfunction cylinder 9 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 P0209 and engine control unit are in charge of monitoring a bunch of different p0209 injector circuit malfunction cylinder 9, and if they get a reading that's a little out of whack, up pops the check engine light.

P0209 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 P0209

A common cause of code P0209 is the failure of P0209 Injector Circuit Malfunction Cylinder 9, but there are several other possible causes as well, such as ;

• Exhaust tube
• 1Camshaft Position Sensor circuit poor electrical connection
• Camshaft advance mechanism binding (VCT unit)
• Starting system circuit Dead (Weak) battery

P0209 code for all cars

You can view according P0209 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P0209 Citroen C-crosser

+P0209 Gaz 11-73

+P0209 Nissan March

+P0209 Buick Xp-300

+P0209 Toyota Fchv

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