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P1624 Diagnostic Trouble Code Discussion for October 2011

Immobilizer Communication Error

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Trouble Ticket Help Requests for DTC P1624
Help Request Posted
2004 Volkswagen Jetta GL 1.8L Hesitation, Stall, MIL Lamp on VIN: 3VWRE69M54
P1624: MIL request signal Active. VWs Ugh! This car has an intermittent problem. I put 80 miles on it the other day and no problem. I have been able to recreate the problem several times. When it happens, the car will stall. The check engine and EPC light come on. It will have a host of implau...
October 29, 2011