AutoCodes – Cadillac – B1264 Cadillac

B1264 Cadillac Code - Floor Door Actuator Failure

Quick Answer

Under normal operation, the panel/defrost and floor door actuator motors are supplied voltage or ground through the circuit, depending on desired actuator rotation, by the Electronic Automatic Temperature Control (EATC) module. Common causes include Faulty Floor Door Actuator, Floor Door Actuator harness is open or shorted, Floor Door Actuator circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
B1264 Cadillac indicates Floor Door Actuator Failure.
Common causes
Common causes include Faulty Floor Door Actuator, Floor Door Actuator harness is open or shorted, Floor Door Actuator circuit poor electrical connection.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 800
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 29, 2024
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Code B1264 Cadillac Description

Under normal operation, the panel/defrost and floor door actuator motors are supplied voltage or ground through the circuit, depending on desired actuator rotation, by the Electronic Automatic Temperature Control (EATC) module. The EATC module then supplies the appropriate voltage or ground to the other side of the actuator motor. The panel/defrost and floor door actuator feedback resistors are supplied a ground and a 5-volt reference voltage from the EATC module. The EATC module reads the voltage on the circuit to determine the actuator position by the position of the actuator feedback resistor wiper arm.
OBDII Code B1264 Cadillac - Floor Door Actuator Failure - AutoCodes.com
B1264 Cadillac Code - Floor Door Actuator Failure

What are the Possible Causes of the DTC B1264 Cadillac?

  • Faulty Floor Door Actuator
  • Floor Door Actuator harness is open or shorted
  • Floor Door Actuator circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module

How to Fix the DTC B1264 Cadillac?

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 B1264 Cadillac 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 B1264 Cadillac code?

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Need Help with the Code?

Get the B1264 Cadillac 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 B1264 Cadillac Code

1. What are the common symptoms of a B1264 Cadillac code related to Floor Door Actuator Failure?

- Common symptoms include inconsistent or improper operation of the floor door actuator, irregular airflow distribution, and potential issues with the heating or cooling system.

2. What typically causes the B1264 Cadillac code indicating Floor Door Actuator Failure?

- The code is commonly triggered by a malfunction or failure of the floor door actuator itself, which may be due to a faulty actuator motor, wiring issues, or a problem with the actuator's position feedback mechanism.

3. How can I diagnose a B1264 Cadillac code for Floor Door Actuator Failure?

- Diagnosing this code usually involves conducting a visual inspection of the actuator, checking the actuator's electrical connections, testing the actuator's functionality, and using a scan tool to retrieve any additional diagnostic trouble codes (DTCs).

4. What are some repair tips for addressing a B1264 Cadillac code related to Floor Door Actuator Failure?

- Repair tips may include replacing the faulty floor door actuator, repairing any damaged wiring or connectors, ensuring proper calibration of the new actuator, and clearing the trouble codes from the vehicle's computer system.

5. Can I drive my Cadillac with a B1264 code indicating Floor Door Actuator Failure?

- It is generally not recommended to drive the vehicle with a malfunctioning floor door actuator, as it can lead to discomfort due to improper temperature regulation and airflow distribution. It is advisable to address the issue promptly.

6. How much does it cost to repair a B1264 Cadillac code for Floor Door Actuator Failure?

- The cost of repair can vary depending on the specific cause of the issue, the extent of the damage, and the labor rates at the repair facility. It is advisable to obtain quotes from different mechanics or dealerships.

7. Are there any preventive measures to avoid encountering a B1264 Cadillac code related to Floor Door Actuator Failure?

- Regular maintenance of the HVAC system, including checking for any unusual noises or airflow irregularities, can help identify potential issues with the floor door actuator before they escalate into a more significant problem.

8. Can a DIY enthusiast replace a floor door actuator to resolve a B1264 Cadillac code?

- While some DIY enthusiasts may have the skills and tools necessary to replace a floor door actuator, it is recommended to consult a professional mechanic for complex HVAC system repairs to ensure proper installation and calibration.

9. Will resetting the B1264 Cadillac code clear up the issue of Floor Door Actuator Failure?

- Resetting the trouble code may temporarily eliminate the warning light, but it will not address the underlying problem causing the B1264 code. It is essential to diagnose and repair the root cause of the issue.

10. How long does it take to replace a floor door actuator for a B1264 Cadillac code?

- The time required to replace a floor door actuator can vary depending on the specific model of Cadillac, the accessibility of the actuator, and any additional repairs needed. Generally, it can take a few hours to complete the replacement.

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