B1333 GMC Code - Lower Right Air Temperature Sensor
Quick Answer
The Instrument Panel Module (IPM) monitors the temperature sensors to maintain the comfort level inside of the vehicle. Common causes include Faulty Lower Right Air Temperature Sensor, Lower Right Air Temperature Sensor harness is open or shorted, Lower Right Air Temperature Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1333 GMC indicates Lower Right Air Temperature Sensor.
- Common causes
- Common causes include Faulty Lower Right Air Temperature Sensor, Lower Right Air Temperature Sensor harness is open or shorted, Lower Right Air Temperature Sensor circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1333 GMC Description
What are the Possible Causes of the DTC B1333 GMC?
- Faulty Lower Right Air Temperature Sensor
- Lower Right Air Temperature Sensor harness is open or shorted
- Lower Right Air Temperature Sensor circuit poor electrical connection
- Faulty Instrument Panel Module (IPM)
How to Fix the DTC B1333 GMC?
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 B1333 GMC 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.
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Frequently Asked Questions about B1333 GMC Code
1. What does the OBDII code B1333 mean on a GMC?
The B1333 code indicates an issue with the lower right air temperature sensor, typically related to improper readings or a malfunction in the sensor circuit.
2. What are the common symptoms of code B1333 on a GMC?
Symptoms may include incorrect cabin temperature regulation, HVAC system malfunctions, or the climate control system being unresponsive.
3. What causes the B1333 code to appear on a GMC vehicle?
Common causes include a faulty lower right air temperature sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning HVAC control module.
4. How can I diagnose the B1333 code on my GMC?
You can diagnose the issue by using a scan tool to confirm the code, inspecting the lower right air temperature sensor for damage, and checking the wiring and connectors for corrosion or loose connections.
5. Can I drive my GMC with the B1333 code active?
Yes, you can typically drive with this code, but the HVAC system may not function properly, leading to discomfort or inadequate climate control.
6. How do I fix the B1333 code on a GMC vehicle?
Repairs may involve replacing the lower right air temperature sensor, repairing damaged wiring, or recalibrating the HVAC control module if necessary.
7. Where is the lower right air temperature sensor located in a GMC?
The lower right air temperature sensor is usually located near the HVAC system, often within the cabin or close to the passenger side under the dashboard.
8. How much does it cost to fix the B1333 code on a GMC?
The repair cost can vary, but replacing the sensor typically costs between $50 and $200, excluding labor charges.
9. Can a faulty air temperature sensor cause other problems in my GMC?
Yes, a faulty sensor can lead to inconsistent cabin temperatures, reduced HVAC performance, and potential strain on the system.
10. Do I need to reset the system after fixing the B1333 code on a GMC?
Yes, after repairs, you should clear the code using a scan tool and test the HVAC system to ensure the issue is resolved.
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