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AutoCodes - Generic - B1946

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

- Code Popularity: 4,407 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?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1946 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B1946 Description

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.

OBDII Code B1946 - Climate Control A/C Post Evaporator Sensor Circuit Failure - AutoCodes.com
B1946 Code - Climate Control A/C Post Evaporator Sensor Circuit Failure

Need More Information on the Code?

Need more information on how to fix the B1946 code? Get Access to Factory Service Manuals

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

Need Help with the Code?

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Code B1946 comments

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