DTC P0125: Insufficient Coolant Temperature For Closed Loop Operation: Condition

DTC is set when engine coolant temperature fails to reach predetermined level after vehicle has been driven. Engine coolant temperature is less than specified. This circuit is monitored once per drive cycle. MIL is illuminated when Powertrain Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

• High circuit resistance.
• ECT sensor malfunction.
• Thermostat malfunction.
• PCM malfunction.