AutoCodes – Mercury – B1967 Mercury

B1967 Mercury Code - A/C Post Heater Sensor Circuit Short To Ground

Quick Answer

The Dual Automatic Temperature Control (DATC) Module monitors the A/C Post Heater Sensor. Common causes include Faulty A/C Post Heater Sensor, A/C Post Heater Sensor harness is open or shorted, A/C Post Heater Sensor 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
B1967 Mercury indicates A/C Post Heater Sensor Circuit Short To Ground.
Common causes
Common causes include Faulty A/C Post Heater Sensor, A/C Post Heater Sensor harness is open or shorted, A/C Post Heater Sensor 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 574
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 31, 2019
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Code B1967 Mercury Description

The Dual Automatic Temperature Control (DATC) Module monitors the A/C Post Heater Sensor. The DATC sets the OBDII code when the A/C Post Heater Sensor is not to factory specifications.
OBDII Code B1967 Mercury - A/C Post Heater Sensor Circuit Short To Ground - AutoCodes.com
B1967 Mercury Code - A/C Post Heater Sensor Circuit Short To Ground

What are the Possible Causes of the DTC B1967 Mercury?

  • Faulty A/C Post Heater Sensor
  • A/C Post Heater Sensor harness is open or shorted
  • A/C Post Heater Sensor circuit poor electrical connection
  • Faulty Dual Automatic Temperature Control (DATC) Module

How to Fix the DTC B1967 Mercury?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1967 Mercury 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 B1967 Mercury code?

Need more information on how to fix the B1967 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1967 Mercury 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 B1967 Mercury Code

1. What are the common symptoms of OBDII code B1967 in a Mercury related to the A/C post heater sensor circuit short to ground?

- Common symptoms may include a malfunctioning heater system, ineffective air conditioning, and potential issues with the post heater sensor functionality.

2. What are the typical causes of the A/C post heater sensor circuit short to ground error code B1967 in a Mercury vehicle?

- Causes can range from damaged wiring or connectors, a faulty post heater sensor, electrical shorts, or issues with the control module.

3. How can I diagnose the A/C post heater sensor circuit short to ground problem in my Mercury when OBDII code B1967 is triggered?

- Use a multimeter to check for continuity, inspect wiring for damage, ensure proper sensor connection, and perform a thorough visual inspection of the components involved.

4. What are some repair tips for fixing the A/C post heater sensor circuit short to ground issue in a Mercury triggering code B1967?

- Repair may involve replacing damaged wiring, repairing connectors, replacing the post heater sensor, addressing electrical shorts, or resetting the control module.

5. Can I fix the A/C post heater sensor circuit short to ground problem in my Mercury triggering code B1967 at home, or should I seek professional help?

- Depending on your skill level and access to tools, you may be able to address the issue at home. However, complex electrical repairs may require professional assistance.

6. Are there any safety precautions I should keep in mind when troubleshooting the A/C post heater sensor circuit short to ground in my Mercury with code B1967?

- Always disconnect the battery before working on electrical components, wear appropriate safety gear, and follow proper procedures outlined in the vehicle's service manual.

7. How can I prevent the recurrence of the A/C post heater sensor circuit short to ground issue and OBDII code B1967 in my Mercury?

- Regularly inspecting and maintaining the A/C system, checking wiring for wear and tear, and addressing any electrical issues promptly can help prevent future occurrences.

8. Is it possible for other related systems in my Mercury to be affected by the A/C post heater sensor circuit short to ground problem indicated by code B1967?

- Yes, electrical issues in one system can sometimes affect others. It's essential to address the root cause promptly to prevent further complications.

9. Will driving my Mercury with the A/C post heater sensor circuit short to ground issue and code B1967 cause any long-term damage or safety concerns?

- While it may not pose an immediate safety risk, prolonged driving with unresolved electrical issues can potentially lead to further damage to the A/C system or other components.

10. How can I clear the OBDII code B1967 related to the A/C post heater sensor circuit short to ground in my Mercury after the issue has been resolved?

- Use an OBDII scanner to clear the code, following the instructions provided by the scanner or referring to the vehicle's manual for guidance.

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