S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, Xtreme

DLC Pin Assignment Table


An example of the GM DLC Pin Assignments is shown below.

1Secondary UART 8192 Baud9Primary UART
2Class II or J1850 Bus + L-Line10J1850 Bus- Line (2-wire)
3Ride Control Diagnostic11EVO or MSVA Steering
4Chassis Ground12ABS or CCM Enable
5Signal Ground13SIR Diagnostic Enable
6PCM/VCM Diagnostic Enable14E & C Bus
7ISO 9141 (K-Line) Bus15ISO 9141 (L-Line) Bus
8Keyless Entry or MRD Enable16Fused Battery Power