LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U0074 >> 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
Powertrain High Speed GMLAN Serial Data (+) U0074 U0074, U0100-U0299* U0074 -
Powertrain High Speed GMLAN Serial Data (-) U0074 U0074, U0100-U0299* U0074 -
scientia non olet · About LEMON Manuals