FixVault

DTC P1622: Notes

DTC P1622 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P1622 Key ID number does not match
DETECTION CONDITION 
  • ID numbers stored in immobilizer control module (IU) and PCM do not match. This DTC is indicated only after immobilizer control module is replaced and reprogramming system.
POSSIBLE CAUSE 
  • Transformation of key ID number stored in PCM.