LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
2016
>>
ELR
>>
Repair and Diagnosis
>>
Brakes
>>
Traction Control
>>
Antilock Brake System
>>
Diagnostic Information and Procedures
>>
DTC C056D, C121C-C121F, C123A-C1256, C126C-C127E, C12C2-C12DF, or C12F2-C12F6: Electronic Control Unit Hardware, Electronic Brake Control Module, Electronic Control Unit, Control Module Programming, ABS Isolation Solenoid Valve Driver, ABS Dump Solenoid Valve Driver, ABS Base Brake Solenoid Valve
>>
Circuit/System Description
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Circuit/System Description
The electronic brake control module detects an internal malfunction.