LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2012 >> Yukon Denali, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U0077 >> Conditions for Setting the DTC
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Conditions for Setting the DTC

The control module setting the DTC has attempted to establish communications on the serial data circuits more than 3 times in 5 seconds.