Diagnostic Trouble Codes (DTC) : DTC U0073 (Previously U2104) CAN
U2103 Engine Trouble Code - U2103 OBD-II Diagnostic Network (U
ESU 51968 ~ 21 Pin 21MTC Adapter Board 2 With Wires ~ 6 Functions
Universal String & Button Interoffice Envelope, #97, Two-Sided
On-off push button
U0121 DIAG/FIXED Chevy NO COMMUNICATION
U0121 DIAG/FIXED Chevy NO COMMUNICATION
Remembering Your 'A' Game - Transmission Digest
Silverado intermittent network error – Diagnostic Network
Code U0121 Lost Communication with Electronic Brake Control Module
U0121 DIAG/FIXED Chevy NO COMMUNICATION