P1529

DTC P1529 TCM Request for MIL On / Freeze to ECM via CAN

DESCRIPTION
A communication line exists between the Engine Control Module (ECM) and the Transaxle Control Module (TCM).

The sole purpose of this communication line is for the TCM to notify the ECM to activate the Malfunction Indicator Lamp (MIL) when a serious transaxle failure has occurred.

DTC Detecting Condition:

INSPECTION PROCEDURE
- This is only a request from TCM to turn the MIL ON. The fault code is stored in the TCM. The freeze frame data is stored in the ECM under the P1529 request code. Be sure to retrieve freeze frame data before clearing code P1529 from ECM.
- Check transaxle system.