popdakebin

DTC P0037: Heated 02 (rear) heater circuit low

Installed the UR Hi-Flow Cat and keep getting this error. I'm running Cobb Stage 2. Anyone know a solution? Is it safe to keep running with this error code?

btw, I plan on getting a custom tune and I assume they can remove this code for good, but in the mean time, I'm keeping my Cobb.

Thanks!

Golden

iTrader: (1)

You are not going to like this answer, but you have to take that up with Cobb. There is nothing more we can do. They have a toggle for the rear 02. If it doesn't work for you, then they have a bug in their software.

Word on the street is that their newest patch will fix this. That patch may come out tomorrow, or it may come out in time for Christmas... you never know.

NewEvolutionIX

iTrader: (23)

I don't even run a cat, and I used two spark plug spacers to get rid of the cel light. Don't know if that will take care of it but it's worth a try

popdakebin

I hope they come out with a fix. I would think a lot of people would have O2 sensor issues when going HFC or TP. I'll take a look into the spacers. I dont' know how that affects the sensor because I'm still kinda noobish.

HPEVOX

iTrader: (2)

I threw the code one time at WOT for a long period of time. I cleared the code once I got home to the AP and it hasn't come back on and i've ran hard several times since. Mine is stage 2 93 octane

BakaUnchi

i can fix that
if you like

popdakebin

@HPEVOX: Yea, I tried clearing it a few times, but it always comes back

@BakaUnchi: How are you going to fix it? I heard you can use the de foulers or spacers but not sure if that will affect my tune.

BakaUnchi

I can open your map in pro tuner software and shut the Rear 02 Cels off

HPEVOX

iTrader: (2)

You can go with what he said or use the spacers. Spacers are super cheap and just sit the sensor out away from the pipe. Will not affect your tune at all

BakaUnchi

That wont work on 0037 sorry

that usually means the rear 02 is dead, but if i change the cel stuff it may work again
worst case i can shut it off and ittl just sit there as a plug

popdakebin

Hey Baka, That would help me out alot. So the O2 sensor might still be alive? I got the cel 1 day after I installed the HFC. Thanks!

HPEVOX

iTrader: (2)

Oh I see..didn't remember my code # exactly. Well sounds like he's got you covered. Hope it all goes well for you.

BakaUnchi

pm me for details

johnnnyjeans

iTrader: (10)

@Bakaunchi. Do you have the cobb ap AccessTunerRaceBeta or AccessTunerPro?

Can you disable this p0037 rear O2 sensor using AccessTunerRaceBeta? Because the Pro cost $1500 haha.