P1601 Diagnostic Trouble Code Discussion for May 2006
PCM Serial Communications Malfunction
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| Help Request | Posted | |
| 1996 Pontiac Grand Am SE 2.4L No Start, Stall, MIL Lamp on VIN: 1G2NE12T7T P1601: PCM Serial Communications Malfunction. ... start and all dash indicator lights on. We found codes p1601 and p1629. We talked to other techs and dealers techs and figured new PCM and relearn. All was well for one day. Next day would not start and same codes. Relearned and all was well for 2 days. Th... |
May 05, 2006 |
