Clear DTC Memory, Mode 4

Clear DTC memory, mode 4

- Start engine and let idle. Press -4- button to select mode 4 clear DTC memory.

NOTE: DTC codes (if any are stored) must first be read before they can be cleared. Pressing -4- button will not clear the data in DTC memory immediately. In case of operator error, the control module will respond:

By pressing the -C- button mode 4 will be exited.

Display will appear as shown

OBD II Scan Tool
Cleared DTC memory?

By pressing the -Q- button DTC memory will be cleared.

Display will appear as shown

Mode 44 Module 10 -->
DTC memory is cleared

NOTE: When the -0- button is pressed it can cause the engine to run irregularly until mode 4 is exited.

- Press -C- button to exit mode 4.

After repairing malfunctions and clearing DTC memory, the readiness code must be created and Then the readiness code must be interrogated via mode 41 transfer of diagnostic data, Mode 1.