P173B BMW - CAN Engine Coolant Temperature Invalid

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Engine Coolant Temperature Sensor
  • Engine Coolant Temperature Sensor harness is open or shorted
  • Engine Coolant Temperature Sensor circuit poor electrical connection

Possible symptoms

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

P173b Bmw Description

The Engine Control Module (ECM) monitors the Engine Coolant Temperature Sensor. The ECM sets the OBDII code when the Engine Coolant Temperature Sensor is not to factory specifications.
OBDII Code P173b Bmw - CAN Engine Coolant Temperature Invalid - AutoCodes.com

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P173B BMW Comments

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