Itm replacement and ECM logic improvement (CA2511)

Bulletin number

TSB_ENG260 (CA2511)

Component

Electrical system

Summary

TECHNICAL SERVICE BULLETIN: ITM REPLACEMENT AND ECM LOGIC IMPROVEMENT (CA2511) - This bulletin provides information to replace the Integrated Thermal Management Module (ITM) and then upgrade the Engine Control Module ‘ECM’ system software on certain K5 (DL3a) vehicles, in the event the Multifunction Indicator Lamp (MIL) is illuminated with DTC(s) P218100, P2181F0, and/or P2181F1 stored. This condition may occur due to degradation of the diaphragm inside the ITM. There are no drivability or other symptoms associated with this condition.

Owners of these vehicles have filed 83 complaints in the electrical category.