Test Q: The Climate Controlled Seat Module Does Not Respond To The Scan Tool

PINPOINT TEST Q: THE CLIMATE CONTROLLED SEAT MODULE DOES NOT RESPOND TO THE SCAN TOOL

Q1:

Q2-Q4:

Q4-Q5:

Q6:

Normal Operation
The climate controlled seat module communicates with the scan tool through the medium speed controller area network (MS-CAN). Circuits VDB06 (GY/OG) (MS-CAN +) and VDB07 (VT/OG) (MS-CAN -) provide the network connection to the climate controlled seat module. The climate controlled seat module shares the MS-CAN network with the instrument cluster, the smart junction box (SJB), the electronic manual temperature control module (if equipped), the electronic automatic temperature control (EATC) module (if equipped), the audio unit, the THX(R) amplifier (if equipped), the satellite radio receiver (if equipped), the power running board module (if equipped), the parking aid module (if equipped) and the power liftgate module (if equipped). Voltage for the climate controlled seat module is provided by circuit SBB08 (VT/RD).

Possible Causes
- Fuse
- Circuit GD138 (BK/WH) open
- Circuit SBB08 (VT/RD) open
- Circuit VDB06 (GY/OG) open (MS-CAN +)
- Circuit VDB07 (VT/OG) open (MS-CAN -)
- Climate controlled seat module