Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Cadillac
>>
2003
>>
CTS Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P0443: EVAP Purge Control Valve Circuit Malfunction
>>
Conditions For Setting DTC
Conditions For Setting DTC
The control module detects 3.5 volts on the EVAP purge valve control circuit with the driver commanded OFF.
The fault is present for 50 seconds, cumulative during the drive cycle.