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Home >> Chevrolet >> 2016 >> SS Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0100 - U02FF: Control Module >> Diagnostic Fault Information
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Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U0100-U02FF U0100-U02FF - -
Ignition U0100-U02FF, U1814, U2099 U0100-U02FF - -
Object High Speed GMLAN Serial Data (+) U0075 U0100-U02FF U0075 -
Object High Speed GMLAN Serial Data (-) U0075 U0100-U02FF U0075 -
Chassis High Speed GMLAN Serial Data (+) U0074, U0077 U0100-U02FF U0074, U0077 -
Chassis High Speed GMLAN Serial Data (-) U0074, U0077 U0100-U02FF U0074, U0077 -
Mid Speed GMLAN Serial Data (+) U0074 U0100-U02FF U0074 -
Mid Speed GMLAN Serial Data (-) U0074 U0100-U02FF U0074 -
High Speed GMLAN Serial Data (+) U0073, 2 U0100-U02FF U0073, 2 -
High Speed GMLAN Serial Data (-) U0073, 2 U0100-U02FF U0073, 2 -
Low Speed GMLAN Serial Data U0078, 1 U0100-U02FF U0078, 1 -
Ground - U0100-U02FF - -
1. Scan tool does not communicate with most low speed GMLAN device
2. Scan tool does not communicate with most high speed GMLAN device
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