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  1. #1
    Scott Gowdy
    Saab Fan Jimmy Neutron's Avatar
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    01 Mar 2016
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    Wilmington, NC, USA
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    Saab(s)
    2003 9-5 Aero 2.3T
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    P1530 and Limp Home Mode Frustration

    My 2003 9-5 Aero randomly throws a P1530 error code and the throttle body trips into Limp Home Mode. My garage has replaced the throttle body 3 times with new Hella TBs and it will run great for about a week or two, and then trip into Limp Home Mode again with the P1530 code. I can reset it easily, and then it will run great until the next random trip (days to weeks later). Could another component be causing this sequence of events? Crankshaft Position Sensor? ECM? DIC? I did replace the fuel pump just prior to all these problems with the Throttle Body. Could it be a faulty fuel pump? The DIC was replaced about 2 years ago. Any advice would be appreciated!

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  2. #2
    Scott Gowdy
    Saab Fan Jimmy Neutron's Avatar
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    01 Mar 2016
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    2003 9-5 Aero 2.3T
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    Tripped again...this time a P1260 code.

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  3. #3

    Join Date
    02 Oct 2017
    Location
    Ciudad Autónoma de Buenos Aires, Argentina
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    Saab(s)
    SAAB 9000 CSE 2.3T 1994
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    Hello!

    As I read before, and if I'm recall properly, maybe you should try resetting the mechanical TB Limp Home Mode, is relatively well explained in some YouTube videos, and reset the ECU pulling the fuse #17 for a while to clean the fault code.

    Additionally, I think that checking the TB wiring could help, just to be sure that there aren't a short circuit in the harnesses. Three throttle bodies in a short period of time is not very common, IMHO.

    Sorry if i misspelled something, I'm not an English speaker, and of course, feel free to correct me if i said something wrong.

    I hope that my comment helps, good luck!

    Regards!

    Enviado desde mi Redmi Note 7 mediante Tapatalk

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  4. #4
    Scott Gowdy
    Saab Fan Jimmy Neutron's Avatar
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    01 Mar 2016
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    Wilmington, NC, USA
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    Saab(s)
    2003 9-5 Aero 2.3T
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    Good news! I found a local mechanic who knows SAABs really well. He replaced the ECM (with a known good used one), and it has been running great ever since. Apparently, the ECM was going bad and tripping the throttle body into limp-home mode with P1260 and P1530 codes. Wish I had gone to him first...would have same a lot of time, money, and frustation.

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  5. #5
    Saab Fan
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    29 Mar 2015
    Location
    Cape Cod Mass.
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    12
    Saab(s)
    2002 95 Aero manual Black, 2001 95 Aero Silver, 1999 Viggen
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    Quote Originally Posted by Jimmy Neutron View Post
    Good news! I found a local mechanic who knows SAABs really well. He replaced the ECM (with a known good used one), and it has been running great ever since. Apparently, the ECM was going bad and tripping the throttle body into limp-home mode with P1260 and P1530 codes. Wish I had gone to him first...would have same a lot of time, money, and frustation.
    Great news! Often going to an experienced Saab tech is the best choice.

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