?€¢ The powertrain control module (PCM)
?€¢ The instrument panel cluster
?€¢ The sensing diagnostic module (SDM)
?€¢ The electronic brake control module (EBCM)
The serial data line class 2 (circuit 1807) allows the scan tool to access directly the PCM in order to read emissions-related information. The scan tool gains access to both data lines through the data link connector (DLC). You may then monitor or control system operations for diagnostic purposes.
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