LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Control System (2TR-FE)) >> SFI System >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

WARNING: This page is about a different car, the 2009 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

All 

TYPICAL ENABLING CONDITIONS CHART

Monitor will run whenever these DTCs are not present None
Thermostat fail (P0128) Not detected
IAT circuit fail (P0110, P0112, P0113) Not detected
ECT circuit fail (P0115, P0117, P0118) Not detected
MAF circuit fail (P0100, P0102, P0103) Not detected

Case 1 

TYPICAL ENABLING CONDITIONS CHART

Engine coolant temperature at engine start -0.33°C (31.41°F) or more

Case 2 

TYPICAL ENABLING CONDITIONS CHART

Engine coolant temperature at engine start Between -11.44°C (11.41°F) and -0.33°C (31.41°F)

Case 3 

TYPICAL ENABLING CONDITIONS CHART

Engine coolant temperature at engine start Lower than -11.44°C (11.41°F)