DTC U1040 Chevrolet
ECM Communication Circuit Malfunction
ECM Communication Circuit Malfunction
Idle Speed System Too High
Control Module. Internal Fault
Lost Communication With Engine Control Module
Wakeup Control Diagnosis: Check for the presence of BCM DTC B10E5.
Ignition Coil 1 Primary Feedback Circuit Malfunction
A T Brake Switch Sense Circuit Malfunction
Steering Angle Sensor Not Calibrated
ABS rough road signal circuit low
Short in Shift Solenoid Valve A Circuit
Cylinder 3 Misfire Detected Catalyst Damaging. Fuel Level Low
Flame Detected Prior To Normal Operation. Component Failures. Unexpected Operation