Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)

Date Published
MAR 04, 2013
NHTSA TSB #
10123878
TSB Document
Summary
Supersedes Technical Service Bulletin Group 37 number 13-86 dated February 6, 2013. Customer may report transmission warning lamp illuminated in instrument cluster. After ignition cycle, the warning message is no longer present. DTC P074100 (Torque Converter Clutch Circuit Performance) or "Stuck Off" is stored in transmission control module, J217 (03). The fault occurs with ATF temperature below 60o C. Check for this temperature range in the extended environmental conditions of the diagnosis protocol. This TSB only applies if the ATF level is correct and there are no leaks.