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Northstar Engines and System Technical Discussion Discussion, duramax1980 in Cadillac Engine Technical Discussion; Help! I have an 01' STS. I have had the car since new and in the last two weeks I ...
  1. #1
    duramax1980 is offline Cadillac Owners Member
    Automobile(s): 2001 Seville STS
    Join Date
    Apr 2009


    Help! I have an 01' STS. I have had the car since new and in the last two weeks I have been getting a number of codes. Also the Service Stability System comes on whenever and I will be driving when the DIC reads Stability System Engaged and it will momentarily pull to one side or the other. Is that a Steering wheel position sensor? Here are all the current codes: C1246, PO386, PO410, PO420, PO463, PO741, P1860. What are the other codes and the remedy? Thanks!

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  3. #2
    JimD is offline Cadillac Owners Connoisseur
    Automobile(s): '98 STS (RIP @ 206,xxx miles)
    Join Date
    Sep 2003
    Metro ATL

    Re: duramax1980

    Your C1246 code is the only code that might even remotely apply to a SERVICE STABILTY SYSTEM message. And no, it is not the steering wheel position sensor.

    C1246 - Brake Lining Wear Circuit Open
    With this code present, you should also have a CHANGE BRAKE PADS message. Has there been recent brake work done on the car?

    The remainder of your codes are all "P" (Powertrain) codes. I would clear all codes and do a short test drive to see which codes are set again.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.

    Re: duramax1980

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