LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U1833: Lost Communication with Electronic Brake Control Module on Chassis Expansion CAN Bus >> Diagnostic Fault Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ U0121, U0129, U1833 U0121, U0129, U1833 - -
Ignition U0121, U0129, U1833 U0121, U0129, U1833 - -
Serial Data Communication Enable U1814, U2099 U0121, U0129, U1833 - -
Chassis High Speed GMLAN Serial Data (+) U0077* U0077* U0077* -
Chassis High Speed GMLAN Serial Data (-) U0077* U0077* U0077* -
Ground - U0121, U0129, U1833 - -
*Other DTCs may set with this fault.
scientia non olet · About LEMON Manuals