Bad acceleration response combined with poor mileage. Dtc set p0036, p0054, p0056..etc.
Jul 1, 2024 at 7:30 PM
Codes p0036, p0054, and p0056, O2 sensor 2 heater DTC?
2008 CADILLAC ESCALADE
KHALIDDVD
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Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
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These are all oxygen sensor heater codes.
P0036: Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 2)
P0054: Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 2)
P0056: Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 2)
Did all of these codes come up at once? If not let's replace the 4 oxygen sensors with new units, here are the locations in the images below, here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.
https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor
Clear the codes once the repairs have been completed and the problem should be solved. Check out the images (below). Let us know how it goes.
P0036: Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1 Sensor 2)
P0054: Heated Oxygen Sensor (HO2S) Heater Resistance (Bank 1 Sensor 2)
P0056: Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 2 Sensor 2)
Did all of these codes come up at once? If not let's replace the 4 oxygen sensors with new units, here are the locations in the images below, here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car.
https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor
Clear the codes once the repairs have been completed and the problem should be solved. Check out the images (below). Let us know how it goes.
Images (Click to enlarge)
Jul 2, 2024 at 10:11 AM
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