Flash: powertrain diagnostic and system enhancements

Bulletin number

18-093-16

Component

Power train

Summary

"flash: powertrain diagnostic and system enhancements this bulletin involves reprogramming the powertrain control module (PCM) with the latest available software. A small number of customers may experience a malfunction indicator lamp (mil) illumination. Upon further investigation the technician may find the following diagnostic trouble codes (dtcs) set in the PCM memory: · p0335 - crankshaft position sensor circuit. · p2610 - PCM internal engine off timer performance. · u1424 - implausible engine torque signal received. · p1239 - engine oil temperature too low, set in cold ambient temperatures. · p0298 - engine oil temperature too high, set in cold ambient temperatures. · p0300 - multiple cylinder misfire, may set at a 1-2 upshift above 6000 RPM. In addition, some customers may experience one or more of the following conditions: · possible rough idle when engaging drive while in 4 low after a cold start. · corrected a generic scan tool display issue regarding mode 6 data accuracy."

Owners of these vehicles have filed 1,472 complaints in the transmission category.