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Home >> Buick >> 2009 >> Lucerne Super >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Keyword Data Line >> Circuit/System Description

Circuit/System Description

The climate control seat module (CCSM) communicates with a scan tool via the keyword 2000 serial data circuit. The keyword 2000 system is for diagnostics of the CCSM only. There is no communication between any other modules on the keyword 2000 serial data system.

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