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Thread: P0037 & P0054 Codes

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    BubbaJo's Avatar

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    P0037 & P0054 Codes

    The truck has been running a little odd the last couple of days, I figured it was due to the cold, but I decided to check my codes anyways (have one on at all times due to P0471 due to me doing a straight pipe exhaust after my tune).

    For the P0037 is says 1/2 heater circuit low and P0054:h02S heater resistance bank 1 sens 2.

    Where are these located so i can get them addressed?

    Oh, and if you have any tricks on the P0471 code, that would be awesome.

    DRD 60hp tune with MM3.

    2012 2500 SLT - 35's, 5% Tint, Custom Katzkin Leather Interior, NOCO Plug adapter for Block Heater, DRD Weight Loss Program, 4" turbo back exhaust, 20" Rough Country Single Row LED Light Bar, EZ-Lift tailgate, 2 Car Seats, cracker crumbs, and 3 year old french fries

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    MOD watersupply189's Avatar

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    Re: P0037 & P0054 Codes

    Have you tried clearing the codes or maybe returning it to stock and reloading your tune again to see if that helps?

    Make sure your batteries are fully charged before doing this.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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    BubbaJo's Avatar

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    Re: P0037 & P0054 Codes

    I read the two codes in the subject this morning and cleared them.

    I haven't returned the truck to stock and then reloaded the tune just yet due to everything falling off.

    I wasn't sure if it would throw anything for a loop or not when returned to stock.

    2012 2500 SLT - 35's, 5% Tint, Custom Katzkin Leather Interior, NOCO Plug adapter for Block Heater, DRD Weight Loss Program, 4" turbo back exhaust, 20" Rough Country Single Row LED Light Bar, EZ-Lift tailgate, 2 Car Seats, cracker crumbs, and 3 year old french fries

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    MOD watersupply189's Avatar

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    Re: P0037 & P0054 Codes

    Quote Originally Posted by BubbaJo View Post
    I read the two codes in the subject this morning and cleared them.

    I haven't returned the truck to stock and then reloaded the tune just yet due to everything falling off.

    I wasn't sure if it would throw anything for a loop or not when returned to stock.
    Don’t start the truck when returning to stock.

    Turn the switch off until the truck goes to sleep, and then reload your tune again.

    It’s worth a shot but not a guarantee.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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  9. Top Of Page | #5
    MOD watersupply189's Avatar

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    Re: P0037 & P0054 Codes

    Any update?


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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  11. Top Of Page | #6
    BubbaJo's Avatar

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    Re: P0037 & P0054 Codes

    With it being under 10* yesterday, I didn't want to reload the tune since I don't have a battery charger at work.

    Supposed to warm up to 30+ tomorrow, I have a trickle charger I can bring with me.

    That way, I can ensure my truck will have enough juice to fire up.

    2012 2500 SLT - 35's, 5% Tint, Custom Katzkin Leather Interior, NOCO Plug adapter for Block Heater, DRD Weight Loss Program, 4" turbo back exhaust, 20" Rough Country Single Row LED Light Bar, EZ-Lift tailgate, 2 Car Seats, cracker crumbs, and 3 year old french fries

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  13. Top Of Page | #7
    BubbaJo's Avatar

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    Re: P0037 & P0054 Codes

    I rolled the dice and reloaded the tune this morning with my tech on standby with a set of jumper cables, LOL.

    So far, no SES light on after a 20-minute drive into town and back.

    I left it idling as i decided to be a fat guy and get fast food.

    2012 2500 SLT - 35's, 5% Tint, Custom Katzkin Leather Interior, NOCO Plug adapter for Block Heater, DRD Weight Loss Program, 4" turbo back exhaust, 20" Rough Country Single Row LED Light Bar, EZ-Lift tailgate, 2 Car Seats, cracker crumbs, and 3 year old french fries

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    MOD watersupply189's Avatar

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    Re: P0037 & P0054 Codes

    Quote Originally Posted by BubbaJo View Post
    I rolled the dice and reloaded the tune this morning with my tech on standby with a set of jumper cables, LOL.

    So far, no SES light on after a 20-minute drive into town and back.

    I left it idling as i decided to be a fat guy and get fast food.
    Awesome!

    Hopefully, this took care of your issue.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab ,G56

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  17. Top Of Page | #9
    BubbaJo's Avatar

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    Re: P0037 & P0054 Codes

    The back pressure fault came back on, but that's been along since I did everything anyways.

    So hopefully, the other two were just cured by the reboot.

    2012 2500 SLT - 35's, 5% Tint, Custom Katzkin Leather Interior, NOCO Plug adapter for Block Heater, DRD Weight Loss Program, 4" turbo back exhaust, 20" Rough Country Single Row LED Light Bar, EZ-Lift tailgate, 2 Car Seats, cracker crumbs, and 3 year old french fries

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