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)

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DTC Memory, Checking



Check DTC Memory

- Connecting scan tool. Scan Tool Connecting
- Initiating On Board Diagnostic (OBD). Initial Inspection and Diagnostic Overview
- Switch on printer with Print button (warning lamp in button lights up).
- Press buttons -0- and -2- (the function "Check DTC memory" is entered with 02).

Indicated on display:

Rapid data transfer Q
02 - Check DTC memory


- Press "Print" button.
- Confirm entry with the -Q- button.

The number of stored malfunctions appears in the display.

X DTCs recognized!

The stored malfunctions are displayed and printed out one after the other.

- Enter DTC table at malfunction printed out and repair.

If "No DTC recognized" is displayed, the program will return to the initial position after pressing the -> button.

No DTC recognized! ->

Indicated on display:

Rapid data transfer HELP
Select function XX


If something else is displayed:
- End output (function 06). End Output
- Switch off ignition and separate diagnostic connections.

NOTE: If a DTC is recognized:
1 Repair malfunction
2. Erase DTC memory (function 05).
3. Check DTC memory again (function 02).