LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2014 >> Escalade Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U182A: Lost Communication With Accessory Power Module >> 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+ U182A* U182A* - -
Wake Up Signal U182A, B137B* U182A* U189A* -
Powertrain Serial Data (+) U0074* U0074, U182A* U0074* -
Powertrain Serial Data (-) U0074* U0074, U182A* U0074* -
* Other modules/DTCs will set with this fault.
scientia non olet · About LEMON Manuals