The TCM can request activation of the MIL lamp Via a communication line to the ECM. This is only a request from TCM to ECM to turn the MIL on. The fault code is stored in the TCM. Select Transaxle system on the Scantool and monitor DTC related automatic transaxle system.
DO ALL REPAIRS associated malfunction with A/T.
Item
Detecting Condition
Possible Cause
DTC Strategy
? Freeze frame request via CAN
? Transaxle system
Enable Conditions
? Battery voltage >10V
? Engine speed >256 rpm
Threshold Value
? MIL is requested by TCU
Diagnostic Time
? immediate