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1996
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DeVille Base
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Engine Mechanical
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Engine Cooling Fan
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Self-Diagnostic System
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Diagnostic Trouble Code Definitions
July 1:
So it begins
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Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
DTC
(1)
Description
P1660
Cooling Fan Control Circuits
(1)
Perform appropriate test under
DIAGNOSTIC TESTS
. Codes listed in this table are only for testing covered in this article. For a complete list of codes, see
TESTS W/CODES
in ENGINE PERFORMANCE.