Without Scantool
Clear DTCNotice: If you clear the DTC (Diagnostic Trouble Codes) you will not be able to read any codes recorded during the last occurrence.
Notice: To use the DTC again to identify a problem, you will need to reproduce the fault or the problem. This may require a new test drive or just turning the ignition on (this depends on the nature of the fault).
1. IF you have a Tech2:
1. Connect the Tech 2 if it is still not connected GO THROUGH Tech 2 OBD II CONNECTION.
2. Push "F1: Clear DTC Info" in the Application Menu and answer "Yes" to the question "Do you want to clear DTC'S?"
a. When a malfunction remains as it is the Tech 2 displays "4L30E CODES NOT CLEARED". This means that the problem is still there or that the recovery was not done. Please GO TO DTC CHECK.
b. When a malfunction has been repaired and the recovery is done. The Tech 2 displays "4L30E CODES CLEARED".
2. IF you have no Tech 2:
To clear the DTC, remove Fuse "PCM" (FL-4, 40A) for at least 10 seconds.
DTC Check
1. Diagnostic Trouble Codes (DTC) have been identified by Tech 2.
2. You have written the list of the DTCs. The order of the malfunctions has no meanings for this PCM.
Usually only one or two malfunctions should be set for a given problem.
3. Check directly the DTCs you identified. The DTCs are sorted by number. Refer to Trouble Code Description; DTC Identification.