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Home >> Subaru >> 2019 >> BRZ Series.Gray >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (1 Of 3) >> EFI System (FA20) >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Circuit description >> Notes
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Circuit description: Notes

For a circuit description, refer to DTC P000B B CAMSHAFT POSITION SLOW RESPONSE (BANK 1); DTC P000D B CAMSHAFT POSITION SLOW RESPONSE (BANK 2); DTC P0014 CAMSHAFT POSITION "B" - TIMING OVER-AD .

DTC No. DTC detection condition Suspected parts
P0125 Coolant temperature does not reach to 15°C below the temperature required for closed loop air/fuel ratio control within the specified time (120s) or 300s.
  • Cooling system
  • E.F.I. water temperature sensor
  • Thermostat