Question about 1996 Buick Riviera

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The heater cuts on and then cuts off - 1996 Buick Riviera

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  • yadayada
    yadayada Oct 27, 2012

    Do you mean the blower motor?


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  • Buick Master
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This could be due to a malfunctioning HVAC programmer or the blower control module. The blower motor could be defective

Posted on Oct 27, 2012

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Chik engean

older post.
the PCM sees the heater is dead, (not drawing current)
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S1B1 means left front sensor.
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