Engine-CodesCadillac – B1333 Cadillac

B1333 Cadillac Code - Lower Right Air Temperature Sensor

Quick Answer

The B1333 diagnostic trouble code for Cadillac vehicles specifically refers to an issue with the Lower Right Air Temperature Sensor. Common causes include Faulty Lower Right Air Temperature Sensor, Wiring issues or electrical connection problems, HVAC system software malfunction. 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
B1333 Cadillac indicates Lower Right Air Temperature Sensor.
Common causes
Common causes include Faulty Lower Right Air Temperature Sensor, Wiring issues or electrical connection problems, HVAC system software malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1333 Cadillac Description

The B1333 diagnostic trouble code for Cadillac vehicles specifically refers to an issue with the Lower Right Air Temperature Sensor. This sensor is responsible for monitoring the temperature of the air entering the vehicle's HVAC system. The data collected by this sensor is crucial for the HVAC system to regulate the temperature inside the vehicle accurately. When this sensor malfunctions or fails, it can lead to various issues with the HVAC system, affecting the overall comfort and climate control inside the vehicle.

OBDII Code B1333 Cadillac - Lower Right Air Temperature Sensor
B1333 Cadillac Code - Lower Right Air Temperature Sensor

Common Causes of B1333 Cadillac

  1. Faulty Lower Right Air Temperature Sensor.
  2. Wiring issues or electrical connection problems.
  3. HVAC system software malfunction.
  4. Environmental factors such as debris or water damage affecting the sensor.
  5. General wear and tear over time.

Symptoms of B1333 Cadillac

  1. Inconsistent temperature output from the HVAC system.
  2. HVAC system blowing hot air when set to cool or vice versa.
  3. HVAC system unable to maintain set temperature.
  4. Unresponsive climate control settings.
  5. Check Engine Light illuminated on the dashboard.

How to Fix B1333 Cadillac

  1. Begin by diagnosing the specific cause of the B1333 code using a diagnostic scanner.
  2. Inspect the Lower Right Air Temperature Sensor and its wiring for any visible damage or corrosion.
  3. Replace the faulty sensor with a new OEM or aftermarket part.
  4. Clear the diagnostic trouble codes from the vehicle's system using the diagnostic scanner.
  5. Test the HVAC system to ensure that the temperature output is now functioning correctly.

Cost to Fix B1333 Cadillac

The typical repair costs for addressing the B1333 code related to the Lower Right Air Temperature Sensor can vary depending on the specific cause of the issue and the cost of the replacement sensor. On average, the parts for this repair can range from $50 to $150, while the labor costs can range from $80 to $150 per hour. Overall, the total repair cost for this issue could range from $150 to $400, including parts and labor. It's recommended to consult with a professional mechanic or auto repair shop to get an accurate estimate based on your vehicle's make and model.

Need more information about the B1333 Cadillac code?

Need more information on how to fix the B1333 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1333 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 B1333 Cadillac Code

1. What does the OBDII code B1333 mean on a Cadillac?

The B1333 code indicates an issue with the Lower Right Air Temperature Sensor, which monitors cabin air temperature for proper climate control function.

2. What are the common symptoms of a B1333 code?

Symptoms may include inconsistent cabin temperature, improper heating or cooling, or the climate control system not responding as expected.

3. What causes the B1333 code to appear?

Possible causes include a faulty lower right air temperature sensor, damaged wiring or connectors, or a malfunctioning climate control module.

4. How can I diagnose the B1333 code?

Diagnose by inspecting the sensor and its wiring for damage, testing the sensor's resistance, and using a scan tool to check for related faults in the climate control system.

5. Can I drive my Cadillac with a B1333 code active?

Yes, but the climate control system may not function properly, leading to discomfort in maintaining cabin temperature.

6. How do I fix a B1333 code on my Cadillac?

Repairs may include replacing the lower right air temperature sensor, repairing damaged wiring, or resetting the climate control system.

7. Where is the lower right air temperature sensor located?

The sensor is typically located in the lower section of the cabin, near the passenger side, but its exact location varies by model.

8. How much does it cost to repair a B1333 code?

Repair costs depend on the specific issue, but sensor replacement generally ranges from $100 to $300, including parts and labor.

9. Can a B1333 code be caused by a blown fuse?

While unlikely, a blown fuse affecting the climate control system could indirectly contribute to this code. Check fuses as part of the diagnosis.

10. Will clearing the code fix the issue?

Clearing the code will not fix the underlying problem; you must address the root cause, such as a faulty sensor or wiring issue, to resolve it permanently.

Discuss the causes and fixes for B1333 Cadillac OBDII Code

Code B1333 Cadillac comments

No comments found for this page.