LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Cadillac
>>
2003
>>
CTS Automatic
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P0628: Fuel Pump Relay Control Circuit Low
>>
Conditions For Running DTC
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Conditions For Running DTC
The engine speed is more than 40 RPM.
The system voltage is between 8-18 volts.