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

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


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P2-P4:






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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 smart junction box (SJB), the instrument cluster, the audio unit, the THX(R) amplifier (if equipped), the satellite radio receiver (if equipped), the driver door module (DDM) (if equipped), and the driver seat module (DSM) (if equipped). Voltage for the climate controlled seat module is provided by circuits SBB11 (BU/RD) and SBB12 (GN/RD). Circuit GD139 (BK/YE) provides ground.

Possible Causes
- Fuse
- Circuit GD139 (BK/YE) open
- Circuit SBB11 (BU/RD) open
- Circuit SBB12 (GN/RD) open
- Circuit VDB06 (GY/OG) open (MS-CAN +)
- Circuit VDB07 (VT/OG) open (MS-CAN -)
- Climate controlled seat module