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DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control (2006/01-): Description

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0115  .

INSUFFICIENT COOLANT TEMPERATURE FOR CLOSED LOOP FUEL CONTROL (2006/01-)

DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature hardly changes for 77 sec. after engine start
(2 trip detection logic)
  • Engine Coolant Temperature (ECT) sensor
  • Cooling system
  • Thermostat
Engine coolant temperature hardly changes for 129 sec. after engine start
(2 trip detection logic)
Engine coolant temperature hardly changes for 20 minutes after engine start
(2 trip detection logic)