Error code rim b1327 on my STS 1998
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Error code rim b1327 on my STS 1998 in Past Cadillac Vehicle Discussion; I recently got error code rim b1327 on my Cadillac STS 1998, this means I got a "Vehicle system voltage ...
  1. #1
    aaberg is offline Cadillac Owners Member
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    Error code rim b1327 on my STS 1998

    I recently got error code rim b1327 on my Cadillac STS 1998, this means I got a "Vehicle system voltage below 9.0 volts". The problem appeared after the battery was drained and recharged (I have reset the OBD test several times but still got the error code). The battery is in good condition and I have recharged several days also tried another fresh battery just to be sure. Car display show the generator load is 14,2 volt and OK. No problem to start or drive the car, or any corrosion on cables etc, just this error message. Also have had the RIM removed and attached again, same problem. Any fuse that can be burned and set the code (the battery was recharged first time from + in engine compartment - not directly to the battery under back seat if this can give any trouble) or any other possible explanation?

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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    What is the voltage readout with the engine OFF? Preferably after being off for at least 30 minutes.

  4. #3
    aaberg is offline Cadillac Owners Member
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    Re: Error code rim b1327 on my Cadillac STS 1998

    12 volt reading at the engine from hot + wire with the fuse box and - at the body. Last driven yesterday.

  5. #4
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    12.0?

  6. #5
    aaberg is offline Cadillac Owners Member
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    Re: Error code rim b1327 on my Cadillac STS 1998

    Yes, 12.0 V

  7. #6
    Ranger's Avatar
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    Re: Error code rim b1327 on my Cadillac STS 1998

    12v is a little low
    Attached Images

  8. #7
    aaberg is offline Cadillac Owners Member
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    Re: Error code rim b1327 on my Cadillac STS 1998

    But the code is set at "Vehicle system voltage below 9.0 volts" and itīs far from that with 12,0 V. I have charged the battery before and got the code after that to.

  9. #8
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    The battery is at the end of its life. Under load, the voltage will dip lower than a healthy battery. Have it load tested, replace if necessary.

  10. #9
    aaberg is offline Cadillac Owners Member
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    Re: Error code rim b1327 on my STS 1998

    Solved. Changed the module and it works. (yes, the battery isn't in best health, but didn't set the rim code).

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