FixVault

DTC P1624: Notes

DTC P1624 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES

DTC P1624 Immobilizer system communication counter = 0
DETECTION CONDITION 
  • PCM detected immobilizer system communication malfunction more than three times
POSSIBLE CAUSE 
  • More than three attempted engine starts under malfunction.
  • Code word mismatch