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P1777 Diagnostic Trouble Code Discussion for December 2009

Step Motor - Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1777
Help Request Posted
1995 Mazda Millenia 2.5L Cuts out, Stall VIN: JM1TA2217S
P1777: TCC Manufacturer controlled transmission. 2.5L Millenia stalls during cruise. Restarts with excessive cranking. Customer brought it into the shop we pulled 6 DTC's. I read about a ground on the thermostat housing coming loose. I had Removed, cleaned, dialectric greased, and, tightend it. I hooked up a...
December 30, 2009