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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Diagnostic Trouble Code Descriptions
Carry out On-Board Diagnostics NOTE: If equipped, turn the
Power Take-Off (PTO) unit off to ensure correct test results. On-Board Diagnostic is not accessible when the PTO is in operation.
After a road test, with the vehicle warm and before disconnecting any connectors, carry out the Quick Test using the scan tool.