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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System - Diagnostic Information And Procedures (B1000 To U1833) >> Diagnostic Information And Procedures >> DTC U1653: Chassis Systems High Speed Communication Enable Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Serial Data Communication Enable U2099 U0100-U02FF, U1653 1 -
Chassis High Speed GMLAN Serial Data (+)
or High Speed GMLAN Serial Data (+) (2)		 U0077 U0100-U02FF, U1653 U0077 -
Chassis High Speed GMLAN Serial Data (-)
or High Speed GMLAN Serial Data (-) (2)		 U0077 U0100-U02FF, U1653 U0077 -
1. Battery drain condition may occur.
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