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P111B - Engine Coolant Warm-Up Not Detected

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P111B - ENGINE COOLANT WARM-UP NOT DETECTED

Description:  This DTC sets when the engine coolant temperature does not rise by a calibrated threshold value when compared to the inferred engine coolant temperature.
Possible Causes: 
  • Low engine coolant
  • Damaged heater core shut off valve
  • Damaged coolant bypass valve
  • Damaged ECT sensor
Diagnostic Aids:  Verify the engine cooling system is operating correctly. Refer to the Engine Cooling article.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DX: ENGINE COOLANT TEMPERATURE (ECT) SENSOR .
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