Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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Trouble Codes - Current & History
The
Body Control Module (BCM) stores DTCs as current or history DTCs. If the BCM detects a malfunction, the BCM stores a DTC that corresponds to that particular malfunction. The BCM does not send a message to the Instrument Panel Cluster
(IPC) to display a message, such as turning on a warning indicator lamp. If the BCM stores a current DTC and the malfunction is no longer present, some DTCs will remain current until the next ignition cycle. Other DTCs change from current to history without requiring a new ignition cycle when the fault is no longer present. History DTCs are intermittent malfunctions and must be diagnosed differently than current DTCs. Refer to
Intermittent and Poor Connections for more information.
Intermittents and Poor Connections