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P1624 Diagnostic Trouble Code Discussion for April 2010

Immobilizer Communication Error

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Trouble Ticket Help Requests for DTC P1624
Help Request Posted
1999 Kia Sportage EX 2.0L No Start, Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: KNDJA723XY
P1624: MIL Request Circuit (TCM To PCM) Circuit Malfunction. ... codes in the ecm were P1115 - Water temperature signal malfunction between ECM and TCM (Transmission Control Unit)and p1624. Also had misfire codes for cylinders 2 and 3. We did a voltage drop across all connectors to TPS, ECT and IAC. All checked out good...
April 30, 2010