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Thread: OBD2 Code P2001

  1. #1
    Tuner Kelp's Avatar
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    Jul 2006
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    OBD2 Code P2001

    Strange. I don't even have a code for P2001 "NOx Trap Effeciency below threshold bank 2". So I can't tune it out in HPTuners. The C6 codes do not list it.

    What does this stupid code mean anyway?

  2. #2
    Tuning Addict WS6FirebirdTA00's Avatar
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    Jan 2005
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    I am guessing something to do with the exhaust emission, but then agian you prob knew this lol
    Sulski Performance Tuning
    2000 WS6 M6 - LS6 (long block, refreshed top end), 10.8:1 CR, 90 mm ported FAST, Exo-Skel, 227/232 cam, QTP HVMC, EWP, GMMG, 9" w/4.11s
    2018 Sierra SLT 5.3L A8 - Airaid intake tube, GM Borla catback, L86 Intake/Ported TB

  3. #3
    Супер Модератор EC_Tune's Avatar
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    Log the DTC, save the file (Save DTC's) and email to support with your VCMSuiteInfo.txt file.
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