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International Automotive Technicians Network

P1602 Diagnostic Trouble Code Discussion for January 2013

Powertrain Control Module Not Programmed

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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2004 Mazda Miata 1.8L No Start, Engine cranks okay VIN: JM1NB353X4
P1602: PCM Communication Line To Immobilizer Error. ... first post to IATN. This vehicle was towed into my shop for a no-start, engine cranks situation. The owner left 2 ignition keys with me (both are original, OE keys) and neither key will start the vehicle. The battery had a low state of charge because of th...
January 21, 2013