Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Cadillac
>>
2003
>>
Seville SLS
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Self-Diagnostics
>>
Diagnostic Tests
>>
DTC P0128: ECT Less Than Thermostat Regulating Temperature
>>
Conditions For Setting DTC
Conditions For Setting DTC
The time for the engine coolant to reach a set temperature has been exceeded.