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

Mode 3: DTC Memory

- Press button -3- to select mode 3 DTC memory.





Display will appear as shown

Module 10* or 1A* will be activated (alternately):
- Module 10 = Engine Control Module (ECM) -J220-.
- Module 1A = Transmission Control Module (TCM) -J217-.
- MIL OFF/ON = MIL switched OFF or ON.
- Press -> button, any stored DTCs will be displayed in sequence.





Display will appear as shown (example)
- Press -> button.


NOTES:
- If two or more DTCs are stored, the cause of the malfunction could be attributed to the second or following malfunction. Interpreting stored DTCs. Diagnostic Trouble Code Descriptions
- After malfunctions have been repaired, clear DTC memory, Mode 4: Clear DTC Memory and create the readiness code again. Readiness Code - Reading / Creating


- Press -C- button to exit mode 3.