1.
Check transponder
(1)
IGN "ON" & Engine "OFF"
(2)
Neutralize ECM and Register transponder key by scantool.
Pin code is requied to Neutralize ECM and to Register transponder key
(3)
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 key teaching procedure with scanner. If the problem is corrected, replace transponder and then go to "Verification of Vehicle Repair" procedure. |
