AutoCodes – Ford – B1A61 Ford

B1A61 Ford Code - Cabin Temperature Sensor Circuit Short

Quick Answer

The in-vehicle temperature and humidity sensor contains a thermistor and a sensing element which separately measures the in-vehicle air temperature and the humidity, then sends those readings to the FCIM. Common causes include Faulty, harness is open or shorted, circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1A61 Ford indicates Cabin Temperature Sensor Circuit Short.
Common causes
Common causes include Faulty, harness is open or shorted, circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 11,025
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 14, 2019
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Code B1A61 Ford Description

The in-vehicle temperature and humidity sensor contains a thermistor and a sensing element which separately measures the in-vehicle air temperature and the humidity, then sends those readings to the FCIM. The in-vehicle temperature and humidity sensor has an electric fan within the sensor that draws in-vehicle air across the two sensing elements. The FCIM may adjust the actuator doors based on the in-vehicle temperature and humidity sensor information to maintain the desired humidity and temperature of the passenger cabin air. The Front Controls Interface Module (FCIM) monitors the Cabin Temperature Sensor. The FCIM sets the OBDII code when the Cabin Temperature Sensor is not to factory specifications.
OBDII Code B1A61 Ford - Cabin Temperature Sensor Circuit Short - AutoCodes.com
B1A61 Ford Code - Cabin Temperature Sensor Circuit Short

What are the Possible Causes of the DTC B1A61 Ford?

  • Faulty
  • harness is open or shorted
  • circuit poor electrical connection

How to Fix the DTC B1A61 Ford?

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

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1A61 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1A61 Ford code?

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Need Help with the Code?

Get the B1A61 Ford code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1A61 Ford Code

1. What are the common symptoms of OBDII code B1A61 in a Ford related to the Cabin Temperature Sensor Circuit Short?

The common symptoms include inaccurate temperature readings on the climate control system, inconsistent heating or cooling in the cabin, and the climate control system not responding properly to temperature adjustments.

2. What are the possible causes of the OBDII code B1A61 indicating a Cabin Temperature Sensor Circuit Short in a Ford?

Possible causes include a faulty cabin temperature sensor, damaged wiring or connectors in the sensor circuit, a short circuit in the sensor circuit, or a malfunctioning climate control module.

3. How can I diagnose the OBDII code B1A61 related to the Cabin Temperature Sensor Circuit Short in my Ford?

You can diagnose the issue by using an OBDII scanner to retrieve the specific code, visually inspecting the cabin temperature sensor and its wiring for any damage, testing the sensor's resistance with a multimeter, and checking the climate control module for proper operation.

4. Can I repair the Cabin Temperature Sensor Circuit Short issue in my Ford on my own?

Depending on your level of automotive expertise, you may be able to repair the issue on your own by replacing the faulty cabin temperature sensor, repairing damaged wiring or connectors, or resetting the climate control module. However, if you are unsure, it is recommended to seek professional help.

5. Is it safe to continue driving my Ford with the OBDII code B1A61 indicating a Cabin Temperature Sensor Circuit Short?

It is generally safe to drive your vehicle with this issue, but you may experience discomfort due to inconsistent heating or cooling in the cabin. It is best to address the problem promptly to ensure optimal comfort and functionality of the climate control system.

6. Will resetting the OBDII code B1A61 related to the Cabin Temperature Sensor Circuit Short fix the issue in my Ford?

While resetting the code may temporarily clear the error message, it will not fix the underlying problem causing the Cabin Temperature Sensor Circuit Short. It is important to diagnose and repair the issue to prevent it from recurring.

7. How much does it typically cost to repair the OBDII code B1A61 related to the Cabin Temperature Sensor Circuit Short in a Ford?

The cost of repairing this issue can vary depending on the specific cause of the problem, the labor rates in your area, and whether you choose to do the repairs yourself or seek professional help. It is best to obtain estimates from reputable automotive shops.

8. Can extreme temperatures or weather conditions trigger the OBDII code B1A61 indicating a Cabin Temperature Sensor Circuit Short in a Ford?

Extreme temperatures or weather conditions may not directly trigger this specific OBDII code, but they can potentially exacerbate existing issues with the cabin temperature sensor or its circuit. It is important to address any underlying problems promptly.

9. Will the OBDII code B1A61 related to the Cabin Temperature Sensor Circuit Short cause my Ford to fail an emissions test?

This code is not typically related to emissions control, so it is unlikely to cause your Ford to fail an emissions test. However, it is still important to address the issue to ensure proper functioning of the climate control system and overall vehicle performance.

10. How often does the OBDII code B1A61 indicating a Cabin Temperature Sensor Circuit Short occur in Ford vehicles?

The occurrence of this specific OBDII code can vary among Ford vehicles, but it is not an extremely common issue. Proper maintenance and timely repairs can help prevent the Cabin Temperature Sensor Circuit Short from occurring in your Ford.

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