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Home >> Buick >> 1993 >> Riviera >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm/BCM >> Self-Diagnostic System >> Output Display Codes >> BCM Output Parameters
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BCM Output Parameters

  1. BO00

    The NO OUTPUTS display will not show HI or LO. This is normal resting code where no outputs will be cycled.

  2. BO03

    Retained Accessory Power (RAP) relays display is LO when relays are energized.

  3. BO04

    Courtesy lights relay display is LO when relay is energized.

  4. BO06

    Hi/Lo beam relay display is LO when relay is energized and hi beams ON.

  5. BO10

    CHIME 1 display is LO when fast chime is sounding.

  6. BO11

    CHIME 2 display is LO when slow chime is sounding.

  7. BO13

    Twilight display is LO when relay is energized.

  8. BO14

    DRL (Daytime Running Lights) - Display is LO when relays are energized or lights on.

  9. BO15

    Headlight relay display is LO when relay is energized.
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