LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Chevrolet
>>
2014
>>
Express 1500 LS, AWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Data Communication System
>>
Diagnostic Information and Procedures
>>
DTC U0074: Control Module Powertrain Expansion Communication Bus
>>
Conditions for Running the DTC
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Conditions for Running the DTC
Supply voltage to the control modules are in the normal operating range.
The vehicle power mode requires serial data communications.