Hombre S Regular Cab 4WD V6-4.3L (1999)
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Always DISCONNECT the BCM connector (BRN) FIRST.
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Always CONNECT the BCM connector (BRN) LAST.
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The BCM may set codes when the ignition switch is in the OFF position. When you disconnect the electrical connectors from the BCM, the DTCs
will set. The BCM may require 20 minutes (1216 seconds) in order to power down after the following conditions exist:
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The ignition switch is turned to the OFF position.
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The BCM is not receiving any active inputs.
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The BCM does not receive any active inputs for 20 minutes.
The Body control module (BCM) diagnostic system check is a test that identifies a malfunction in the electronic system. The BCM diagnostic system
check is the starting point for any BCM complaint. Understand and use the BCM diagnostic system check table in order to reduce diagnostic time and
prevent unneeded replacement of components.
Step 1
