SYstem Code
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Cadillac Seville / Cadillac Eldorado Forum Discussion, SYstem Code in Past Cadillac Vehicle Discussion; My 02 STS threw me codes for "System Relay or Coil Circuit Open" (C1214)on the ABS)) and the fact that ...
  1. #1
    the recluse is offline Cadillac Owners Connoisseur
    Automobile(s): 2002 STS, 1991 Eldorado
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    SYstem Code

    My 02 STS threw me codes for "System Relay or Coil Circuit Open" (C1214)on the ABS)) and the fact that it turned the red dash light on(C1248).
    Any ideas as to where the relays may be found?

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: SYstem Code

    Check the fuse box under the back seat.

  4. #3
    the recluse is offline Cadillac Owners Connoisseur
    Automobile(s): 2002 STS, 1991 Eldorado
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    Re: SYstem Code

    No ABS relays listed in both the back seat box or the one under the hood.

    Checked the fuses with all being in tact.

    Are there sensors at the wheel I should look into?

  5. #4
    JimD is offline Cadillac Owners Connoisseur
    Automobile(s): '98 STS (RIP @ 206,xxx miles)
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    Re: SYstem Code

    Quote Originally Posted by the recluse View Post
    My 02 STS threw me codes for "System Relay or Coil Circuit Open" (C1214)
    That code refers to a relay that is inside the EBTCM.

    The fuses you want to check with an Ohmeter and inspect blades for corrosion are the ABS SOL 30A in the underhood box and the ABS 10A in the underseat box.

    It would also be worth the effort to inspect the EBTCM connector for corrosion or damaged wires and pins.

  6. #5
    the recluse is offline Cadillac Owners Connoisseur
    Automobile(s): 2002 STS, 1991 Eldorado
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    Re: SYstem Code

    So if this relay is inside the EBTCM, then I may have to R&R the unit to fix?

    I hit a pothole 2 weeks ago and the codes/lights came on; 2 days later they went out.

    2 nights ago it came back on, maybe the jarring bump croaked the relay?

  7. #6
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Location
    Woodstock Ill.
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    73,494

    Re: SYstem Code

    Are there sensors at the wheel I should look into?
    There is a wheel speed sensor in each of the 4 hubs, but that is not what is referred to.

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