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  1. 09-04-2009, 12:07 PM #1
    XR4Ti
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    Default Diagnostic system '04 tahoe

    What type of diagnotic system is on board a '04 Tahoe? Anyway to pull codes without computer code reader?
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  2. 09-04-2009, 03:53 PM #2
    Jimmiee
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    Quote Originally Posted by XR4Ti View Post
    What type of diagnotic system is on board a '04 Tahoe? Anyway to pull codes without computer code reader?
    Your Tahoe has a PCM which controls the Powertrain. Since the trouble codes are in OBDII format they contain 5 digits for each code. You will need a code reader to retrieve your codes. You can get your truck scanned for free at Autozone parts stores.
    Jim

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