Check ECM
IGN "ON" & Engine "OFF"
Neutralize Both "SMARTRA" and "ECM" and Register transponder key by scantool.
Pin code is required to Neutralize ECM and to Register transponder key
Are Neutralizing and Registering completed normally ?
 | ▶ Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure. |
 | ▶ Substitute with a known-good transponder and perform the key teaching precedure. If the problem is corrected, replace transponder and then go to "Verification of Vehicle Repair" procedure. |
ECM substitued for old one must be in "Virgin" or "Neutral" status and Pin code is required to Neutralize ECM and to Register transponder key
