DeVille DHS V8-4.6L VIN Y (2000)
Body Control Module: Reading and Clearing Diagnostic Trouble Codes
Accessing and Reading Diagnostic Trouble Codes
All DTCs can be displayed by using one of the following methods:
^
A scan tool.
^
The On-Board Service Diagnostic (OBSD).
Most of the diagnostic tables will refer to the scan tool for diagnostic support. For details on using the OBSD to display and/or clear DTCs refer to
OBSD Procedure.
Clearing Diagnostic Trouble Codes
IMPORTANT: To prevent any future misdiagnosis, all history DTCs should be cleared after diagnosing a system problem.
Disconnecting the battery or module connectors will not clear a history DTC. A DTC can only be cleared by using one of the following methods:
^
A scan tool.
^
The On-Board Service Diagnostic (OBSD).
^
A module will clear a history DTC after 50 ignition cycles.
Most of the diagnostic tables refer to the scan tool for diagnostic support. For details on using the OBSD to display and/or clear DTCs refer to OBSD
procedure.
