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P1381 Diagnostic Trouble Code Discussion for October 2009

Misfire Detected, Rough Road Data Not Available

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Trouble Ticket Help Requests for DTC P1381
Help Request Posted
2001 GMC Savana 2500 5.0L Misfire, MIL Lamp on VIN: 1GTFG25M11
P1381: Misfire Detected - No Communication With EBCM. Cyl 4 had the bulk of the missfires cyl 2 had the second most and there were several missfires on 3 and 7. I noticed the cyl 7 missfires seemed to increase on decel.
October 15, 2009