Update. I have a few diagrams on the thermostat and it is in the correct way. I just heard back from the dealership. I reluctantly agreed to let them flush the heater core themselves even though I already did it. They said it helped a little but its weak, pointing to a bad heater core. In case anyone is wondering how much that costs, The dealership quoted me $1,078.80. The car isn't even 2 and a half years and the heater core is bad! I called my usual shop to see what they would charge. They told me they would be calling mazda corporate because its ridiculous. So I called and they're supposed to call me on Monday once they confirm an answer. The car is around 43,000 miles and has regular maintenance done on time. Some people may have good experience with mazda quality, but I'm not one of them. I don't think I'll ever buy another mazda.The funny part is they told me replacing the heater core "should" take car of the check engine light.
Resolved!!! Mazda is being very helpful. I guess they just had to get word to the right people. They are helping me a lot with the repair. Its on back order for about a week and a half but the car is derivable. So after all this, it will finally be fixed soon. I know the mechanics are only doing their job and they cant speak for mazda corporate. The customer service was very helpful and did not give me the run around at all. I hope nobody has this happen to them and i just got a random bad part. it happens. hope this thread may have helped someone out with easier issues.
Resolved!!! Mazda is being very helpful. I guess they just had to get word to the right people. They are helping me a lot with the repair. Its on back order for about a week and a half but the car is derivable. So after all this, it will finally be fixed soon. I know the mechanics are only doing their job and they cant speak for mazda corporate. The customer service was very helpful and did not give me the run around at all. I hope nobody has this happen to them and i just got a random bad part. it happens. hope this thread may have helped someone out with easier issues.
What year is your CX-5 and what is mileage?I realize it's been a while since the original thread, but if you happen to read this, I am curious how all this worked out, and how much assistance Mazda gave you with the heater core repair. I am having the exact same problem with my CX-5, and was quoted over $2000 to replace the HC. I called Customer Care to request help with the cost, and am awaiting their response. Thank you!
What year is your CX-5 and what is mileage?
I have this code too. Changed both sensors and heater works great. Anybody have other fixes for this?