B11D5 JEEP - A/C Cool Down Test Performance EVAP Temperature Sensor Error

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

  • Faulty EVAP Temperature Sensor
  • EVAP Temperature Sensor harness is open or shorted
  • EVAP Temperature Sensor circuit poor electrical connection
  • Faulty A/C Heater Module

Possible symptoms

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

B11d5 Jeep Description

The Evaporator Temperature Sensor is a variable resistor that changes in conjunction with temperature, or otherwise known as a thermistor. The Evaporator Temperature Sensor is located in the HVAC housing downstream of the A/C evaporator. The A/C Heater Module monitors the evaporator temperature by monitoring the voltage change of the Evaporator Temperature Sensor Signal circuit. If the monitored voltage drops below or rises above a predetermined voltage, a Diagnostic Trouble Code (DTC) will set.
OBDII Code B11d5 Jeep - A/C Cool Down Test Performance EVAP Temperature Sensor Error - AutoCodes.com

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