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lb7 bullydog p0800

  1. DTC 'PD800' LB7 code?

    911 Problems Forum
    I recently acquired a 04' Silverado 2500HD 2WD with a LB7 under the hood, and installed a Power Pup from BullyDog and a Banks Air intake System. This morning when I tried it, it wouldn't start. I tought it could be the alternator or a bad battery, but my Bullydog gave me a PD800 code. It's not...