Test M: A Single Climate Controlled Seat Does Not Operate/Does Not Operate Correctly

PINPOINT TEST M: A SINGLE CLIMATE CONTROLLED SEAT DOES NOT OPERATE/DOES NOT OPERATE CORRECTLY

M1-M2:

M3-M4:

Normal Operation
The climate controlled seat module (CCSM) controls are incorporated into the electronic automatic temperature control (EATC) module. The EATC module communicates with the CCSM via the UBP bus.

Possible Causes
A climate controlled seat that does not operate or does not operate correctly can be caused by:
- wiring, terminals or connectors.
- UBP network communication fault.
- EATC module.
- CCSM.