For Shop Owners

P112B - Engine Coolant Temperature Too Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?
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Possible causes

  • Low engine coolant
  • Faulty Thermostat
  • Faulty Engine Coolant Temperature Sensor
  • Engine Coolant Temperature Sensor harness is open or shorted
  • Engine Coolant Temperature Sensor circuit poor electrical connection
What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P112B Description

The Engine Control Module (ECM) monitors the Engine Coolant Temperature Sensor signal. The ECM sets the OBDII code when the Engine Coolant Temperature Sensor is out of factory specifications.
OBDII Code P112b - Engine Coolant Temperature Too Low -

P112B Information for specific makes

P112B BMW Engine Coolant Temperature Too Low
P112B BUICK Intake Air Temperature Sensor 3 Performance
P112B CADILLAC Intake Air Temperature Sensor 3 Performance
P112B CHEVROLET Intake Air Temperature Sensor 3 Performance
P112B GMC Intake Air Temperature Sensor 3 Performance
P112B MINI Engine Coolant Temperature Too Low

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P112B Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P112b code? Have you replaced any parts?
Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

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