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 | ● TCU request via CAN | ● Transaxle system |
Enable Conditions | ● Battery voltage > 10V ● Engine speed >32 rpm ● Time after ignition ON > 0.5sec. | |
Threshold Value | ● Failure from TCU | |
Diagnostic Time | ● 10 ms | |
MIL On Condition | ● Controlled by TCM |