LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
2009
>>
STS V
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Data Communication System
>>
Diagnostic Information and Procedures
>>
DTC U2102 or U2103
>>
DTC Descriptors
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Descriptors
DTC U02102 00
Fewer Controllers On Than Programmed
DTC U02103 00
Fewer Controllers On Than Programmed