Operation CHARM
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1999
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Astro Van L AWD V6-4.3L VIN W
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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TR Switch
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TR Switch
Range (One of the following P R N D4 D3 D2 D1)
The Trans Range
(TR)
Switch indicates the Trans Range selected by the operator.