Engine-Codes - Generic - B1946

B1946 Code - Climate Control A/C Post Evaporator Sensor Circuit Failure

- Code Popularity: 4,406 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1946?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Climate Control A/C Post Evaporator Sensor
  • Climate Control A/C Post Evaporator Sensor harness is open or shorted
  • Climate Control A/C Post Evaporator Sensor circuit poor electrical connection
  • Faulty Dual Automatic Temperature Control (DATC)
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How to Fix the DTC B1946?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1946 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the B1946 Code Mean?

The Dual Automatic Temperature Control (DATC) Module monitors the Climate Control A/C Post Evaporator Sensor. The DATC sets the OBDII code when the Climate Control A/C Post Evaporator Sensor is not to factory specifications.

B1946 Code - Climate Control A/C Post Evaporator Sensor Circuit Failure

Need more Information on the Code?

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Code B1946 Information for Specific Makes

  • B1946 Ford Climate Control A/C Post Evaporator Sensor Circuit Failure
  • B1946 Lincoln Climate Control A/C Post Evaporator Sensor Circuit Failure
  • B1946 Mercury Climate Control A/C Post Evaporator Sensor Circuit Failure

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