Clear DTC Memory, Mode 4
CLEAR DTC MEMORY, MODE 4
- Start engine and let idle.
- Press -4- button to select "Clear DTC Memory" mode 4.
NOTE: DTCs (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:
Indicated on display
OBD II Scan Tool
Cleared DTC Memory ?
- Press -C- button to exit mode 4.
Indicated on display
OBD II Scan Tool
Select mode 1.. 2.. 3.. 4.. 5.. 6.. 7..
- Press -Q- button to clear DTC memory
Indicated on display
Mode 44 Module 10 ->
DTC Memory is cleared
NOTE: If the -Q- 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. Then the readiness code must be interrogated via mode 41 checking current data. Current Data, Mode 1