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GMC Yukon 2000–2006

GMC YukonModel years 2000–2006

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  1. Manufacturer communication2001–2002 GMC VEHICLES WITH 4.8L, 5.3L, 5.7L, 6.0L OR 8.1L ENGINE (YUKON) ・ 2002-04-01

    Revised DTC P1221 (bulletin 02-06-04-005)

    1. 1Fault

    2. 2Finding the cause

      Steps to confirm (in the document’s order)

      • Revised DTC P1221.
    3. 3Correction

      Bulletins – March 2002 02-06-04-005; Revised DTC P1221; specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine (VINs V , T , G, S, U – RPOs LR4, LM7 , LS1, LS6, LQ4, L18) Revised DTC P1221

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    From the manufacturer’s document

    • Applies to:Bulletin 02-06-04-005 lists "specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine" (VINs V, T, G, S, U; RPOs LR4, LM7, LS1, LS6, LQ4, L18).
    • Confirm:Revised DTC P1221.

    Open this issue of GM TechLink ↗ The points above are read from an article of TechLink, GM’s monthly publication for dealership technicians. The article itself is not reproduced here.

    Remedy
    Bulletins – March 2002 02-06-04-005; Revised DTC P1221; specified 2001-02 vehicles with 4.8L, 5.3L, 5.7L, 6.0L or 8.1L Engine (VINs V , T , G, S, U – RPOs LR4, LM7 , LS1, LS6, LQ4, L18) Revised DTC P1221