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P1600 Diagnostic Trouble Code Discussion for May 2008

PCM Battery Backup Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1600
Help Request Posted
1997 Mitsubishi Galant ES 2.4L MIL Lamp on VIN: 4A3AJ56GXV
P1600: PCM/TCM Serial Communication Link Malfunction. ... 1997 mitsubishi galant with an electronic transmission. the mil is on for a code P1600 - serial communications problem. i checked mitchell for diagnosing and end up replacing both the tcm and the pcm but the mil is still on with the same code. i checked th...
May 05, 2008