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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U1886 U1886 - -
Ignition U1886 U1886 - -
Accessory Wake Up Serial Data U1814, U1886* U1886 - -
High Speed GMLAN Serial Data (+) U0073* U1886* U0073* -
High Speed GMLAN Serial Data (-) U0073* U1886* U0073* -
Ground - U1886 - -
* Other DTCs may set with this fault.
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