Operation CHARM: Car repair manuals for everyone.
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)

Or, hide this message: temporarily or permanently

Retrieve/Clear Continuous DTCs

1. Perform Hookup and Vehicle Selection.

NOTE: The ignition switch must be in RUN position or test will fail.

2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module to test by rotating dial to highlight module and press trigger.
4. Menu item "Diagnostic Test Modes" is highlighted. Press trigger.
5. Rotate dial to menu item "Retrieve/Clear Continuous DTC", press trigger, then press start (Button 3).
6. To clear individual DTC from selected module, highlight DTC by rotating dial then press Button 8.
7. To clear all DTCs from selected module, press Button 7.