infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

All Technical Service Bulletins for Engine Control Module:|10-075A > < Engine Controls - MIL ON/DTC P1421 Stored|Page 1927
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5. If you have performed TCM reprogramming the screen in Figure 4 displays when reprogramming is complete.

6. Make sure to erase DTCs from all Systems.

NOTE:

During reprogramming DTCs will set in several systems and must be erased.

7. Test drive the vehicle and make sure it operates correctly and the MIL is OFF. 

^ If the MIL comes ON go back to ASIST for further diagnostic information.

All Technical Service Bulletins for Engine Control Module:|10-075A > < Engine Controls - MIL ON/DTC P1421 Stored|Page 1927