B3933 2016 GMC Sierra Code - Air Conditioning Evaporator Temperature Sensor Circuit
Quick Answer
The air temperature sensors are a 2-wire negative temperature coefficient thermistor. Common causes include Faulty Air Conditioning Evaporator Temperature Sensor, Air Conditioning Evaporator Temperature Sensor harness is open or shorted, Air Conditioning Evaporator Temperature 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
- B3933 2016 GMC Sierra indicates Air Conditioning Evaporator Temperature Sensor Circuit.
- Common causes
- Common causes include Faulty Air Conditioning Evaporator Temperature Sensor, Air Conditioning Evaporator Temperature Sensor harness is open or shorted, Air Conditioning Evaporator Temperature 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.
Code B3933 2016 GMC Sierra Description
What are the Possible Causes of the DTC B3933 2016 GMC Sierra?
- Faulty Air Conditioning Evaporator Temperature Sensor
- Air Conditioning Evaporator Temperature Sensor harness is open or shorted
- Air Conditioning Evaporator Temperature Sensor circuit poor electrical connection
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
How to Fix the DTC B3933 2016 GMC Sierra?
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 B3933 2016 GMC Sierra 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 B3933 2016 GMC Sierra code?
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Frequently Asked Questions about B3933 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code B3933 in a 2016 GMC Sierra related to the Air Conditioning Evaporator Temperature Sensor Circuit?
The common symptoms include poor air conditioning performance, incorrect temperature readings on the AC system, and potential issues with the climate control system.
2. What are the possible causes of OBDII code B3933 in a 2016 GMC Sierra?
Possible causes of this code include a faulty evaporator temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the climate control module.
3. How can I diagnose the Air Conditioning Evaporator Temperature Sensor Circuit issue in my 2016 GMC Sierra?
Diagnosing this issue typically involves using a scan tool to read the OBDII code, testing the evaporator temperature sensor for proper operation, and checking the wiring and connectors for any damage or corrosion.
4. Can I still drive my 2016 GMC Sierra with OBDII code B3933 related to the Air Conditioning Evaporator Temperature Sensor Circuit?
While it is possible to drive the vehicle with this code, it is recommended to address the issue promptly to prevent further damage to the air conditioning system and ensure optimal performance.
5. How can I repair OBDII code B3933 in my 2016 GMC Sierra?
Repairing this code may involve replacing the faulty evaporator temperature sensor, repairing or replacing damaged wiring or connectors, or resetting the climate control module after resolving the issue.
6. Is it safe to reset the OBDII code B3933 in my 2016 GMC Sierra without fixing the underlying issue?
Resetting the code without addressing the root cause may temporarily clear the warning light, but the issue will likely reoccur, impacting the air conditioning system's performance.
7. Can extreme temperatures or environmental conditions trigger OBDII code B3933 in a 2016 GMC Sierra?
Extreme temperatures or environmental conditions can potentially affect the evaporator temperature sensor's accuracy, leading to false readings and triggering the OBDII code.
8. How much does it typically cost to repair OBDII code B3933 related to the Air Conditioning Evaporator Temperature Sensor Circuit in a 2016 GMC Sierra?
The cost of repairing this code can vary based on the specific issue, with expenses ranging from a few hundred to over a thousand dollars, depending on the parts and labor required.
9. Are there any preventive maintenance steps I can take to avoid OBDII code B3933 in my 2016 GMC Sierra?
Regularly inspecting and servicing the air conditioning system, checking the sensor circuit for any signs of wear or damage, and addressing any issues promptly can help prevent the occurrence of this OBDII code.
10. Will OBDII code B3933 in a 2016 GMC Sierra affect the vehicle's overall drivability?
While this code specifically relates to the air conditioning system, addressing it promptly is recommended to ensure optimal vehicle performance and comfort for the occupants.
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