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Thread: Thermostat Heater Core OBD Code

  1. #1
    Join Date
    Oct 2018
    Location
    Fayetteville Arkansas
    Posts
    2
    My Cars
    2014 BMW 428i

    Thermostat Heater Core OBD Code

    Hello All ~

    Been loving my 2014 428i with xDrive. However, the CEL light came on and I stopped by O'Reilley on my way home from work to have it read. The dude told me it was the Thermostat Heater Core Control Module open circuit. The car was out of warranty in June and has 50,800 miles on it. Will be calling the dealer on Monday. Any insight on what to expect.

    Thanks much.

  2. #2
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,520
    My Cars
    36 Cylinders
    Do you have the code number?
    Ideally you'd need to get BMW manufacturer codes read to have a better idea of what component (especially if their interpretation is wrong), not P codes.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  3. #3
    Join Date
    Oct 2018
    Location
    Fayetteville Arkansas
    Posts
    2
    My Cars
    2014 BMW 428i
    Quote Originally Posted by 328 Power 04 View Post
    Do you have the code number?
    Ideally you'd need to get BMW manufacturer codes read to have a better idea of what component (especially if their interpretation is wrong), not P codes.

    Unfortunately, I don't have the code number. Apparently, this is not one of the "common issues" where people jump in and say, "oh yeah, the same thing happened to me . . ."

    *sighs*

  4. #4
    Join Date
    Jul 2004
    Location
    Houston, TX
    Posts
    12,520
    My Cars
    36 Cylinders
    Find a shop with a proper BMW code reading tools (or buy your own, if you're mildly computer savvy), save the codes and get help from here for what is likely to be problematic.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

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