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P1624 Diagnostic Trouble Code Discussion for July 2006

Immobilizer Communication Error

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Trouble Ticket Help Requests for DTC P1624
Help Request Posted
1998 Kia Sephia 1.8L MIL Lamp on VIN: KNAFB1217W
P1624: MIL Request Circuit (TCM To PCM) Circuit Malfunction. hi all, i have a speedometer that is registering lower than the vehicle is actually going and shift patterns are obviously errattic. nice square wave coming out of vss but am having trouble finding a good waveform for the vehicle speed sensor on this one. pull...
July 14, 2006
1999 Saab 9-5 2.3L MIL Lamp on, Data bus VIN: YS3ED58E8X
P1624: Check-engine light request TCM. ... car was towed in, customer reports that, while driving on the Interstate, 70-75 mph, car jerked and 'Check-engine' light came on. Drove for awhile and 'Check Gearbox' light came on (car is an automatic). Next the cruise control, A/C and instrument panel dr...
July 23, 2006