Fault Code Lookup › Powertrain codes › P0036

P0036 Powertrain · generic OBD-II

HO2S Heater Control Circuit

P0036 is a standard code covering engine, transmission, fuel and emissions. It names the system that logged the fault, not the part that failed. Below: which cars owners reported it on, what happened, and recalls on those cars, from 3 complaints filed with NHTSA. Updated November 9, 2026.

  • 3owner reports
  • 2car models
  • 0mention a crash
  • 0mention a fire
  • 2016–2017model years

Which cars get code P0036?

Every model whose owners mentioned P0036 in a complaint, most reports first. Each year opens that car's full problem report. Popular models collect more reports because more of them are on the road.

Where does P0036 show up?

By brand

  • Ford2
  • Chevrolet1

Component the owner filed it under

  1. Engine3 (100%)
  2. Fuel/Propulsion System1 (33.3%)

Is there a recall for P0036?

As of November 9, 2026, no NHTSA recall on the cars reporting P0036 names this code or its most-reported component. Recalls can be issued at any time: check your VIN at nhtsa.gov/recalls.

What happened when owners saw P0036?

3 of the 3 reports, spread across the models above, as the owners wrote them. NHTSA removes names and VINs; long reports are trimmed. CarHooq has not verified individual claims.

I am writing to formally demand a permanent resolution and full coverage for a severe manufacturing defect on my 2017 Ford Edge (VIN: [XXX]). Ford shop has repeatedly failed to properly diagnose this vehicle, costing me over $2,023 in useless repairs [image_S6uQaz.png, image_qhJEm9.png, image_1tAQVw.png].Here is the undeniable timeline and evidence of your shop's malpractice:First Visit (Invoice #XXX): I paid $1,072.67 for code P0036 [image_S6uQaz.png]. Ford team replaced the downstream O2 sensor and updated the PCM software per TSB 18-2212A [image_S6uQaz.png]. Ford invoice stated the "Complete Vehicle Check Up" was OK [image_S6uQaz.png]. The light came back on immediately.Second Visit…
2017 Ford EdgeEngineNHTSA complaint 11767161 · Sep 26, 2026
I PURCHASED A 2017 CHEVY MALIBU IN APRIL 2017 WITH 11 MILES. IN LESS THAN A MONTH, THE CAR STARTED HAVING ISSUES. TOOK THE VEHICLE INTO THE DEALERSHIP FOR INSPECTION WITH THE INITIAL PROBLEM BEING THE O2 SENSOR THEY UPDATED THE SOFTWARE AND IT WAS NOTED GM WOULD MONITOR THE CONCERN AND HAS BEEN AN ONGOING ISSUE SINCE. THE PROBLEMS ARE AS FOLLOWS: DASHBOARD GOES BLANK WHILE DRIVING, CODES: P0036, P0037, P0138, P0141, P2097 X3; P2122, P2127, P2138, ACCELERATOR PEDAL REPLACED X3 WITHIN A TWO MONTH TIME FRAME WITH THROTTLE HARNESS BEING REPLACED ON THE THIRD TIME, REDUCED ENGINE POWER TO 20 MPH WHILE DRIVING, SCANNING NOISE COMING FROM ENGINE WHILE VEHICLE IS BOTH IN THE ON/OFF POSITION; STILL…
2017 Chevrolet MalibuEngine, Fuel/Propulsion SystemNHTSA complaint 11221744 · Jun 21, 2019
Coolant leak, confirmed by service tech (p0036, p0217,p0301, p0316) need to replace head gasket, coolant in combustion chamber, warning message engine overheating will reduce power.
2016 Ford EdgeEngineNHTSA complaint 11539934 · Aug 21, 2023

P0036: questions drivers ask

What does code P0036 mean?

P0036 is a generic OBD-II powertrain code. Its standard definition is "HO2S Heater Control Circuit". The code tells you which system set the fault, not which part failed; the owner reports on this page show what it meant in practice for 2 car models.

Which cars get code P0036 most often?

In NHTSA owner complaints, P0036 is mentioned most for the Ford Edge (2), Chevrolet Malibu (1), across 2 models and model years 2016 to 2017. Popular models collect more reports because more of them are on the road.

Is there a recall for code P0036?

As of November 2026, no NHTSA recall on the cars reporting P0036 names this code or its most-reported component. Recalls can be issued at any time, so check your VIN at nhtsa.gov/recalls.

What should I do if my car shows P0036?

Write down when the code appeared and what the car did (warning lights, loss of power, noises, speed, weather). Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer or independent workshop to read the stored freeze-frame data before anyone clears the code, and keep the repair order. If the car loses power in traffic, stop driving it. CarHooq does not diagnose: these are owner reports and official recall notices, not repair advice.

How this page was made

CarHooq read the text of every owner complaint filed with NHTSA for 19 US and European brands (model years 2012 onwards) and picked out the diagnostic trouble codes owners wrote down. This page lists every mention of P0036. The definition is the generic SAE J2012 wording; a carmaker may use the code slightly differently. Nothing here is a diagnosis. More answers: the fault code FAQ. Data: NHTSA Office of Defects Investigation (public domain), retrieved November 9, 2026. How CarHooq reports are made.

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