B393B 2017 Chevrolet Silverado Code - Air Conditioning Compressor Valve Control Circuit
Quick Answer
This A/C system uses a conventional clutch to engage and mechanically turn the compressor and a variable displacement solenoid valve to alter the amount of displacement created by the turning of the compressor. Common causes include Faulty Air Conditioning Compressor, Air Conditioning Compressor harness is open or shorted, Air Conditioning Compressor 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
- B393B 2017 Chevrolet Silverado indicates Air Conditioning Compressor Valve Control Circuit.
- Common causes
- Common causes include Faulty Air Conditioning Compressor, Air Conditioning Compressor harness is open or shorted, Air Conditioning Compressor 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 B393B 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC B393B 2017 Chevrolet Silverado?
- Faulty Air Conditioning Compressor
- Air Conditioning Compressor harness is open or shorted
- Air Conditioning Compressor circuit poor electrical connection
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
How to Fix the DTC B393B 2017 Chevrolet Silverado?
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 B393B 2017 Chevrolet Silverado 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 B393B 2017 Chevrolet Silverado code?
Need more information on how to fix the B393B 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B393B 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B393B 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B393B in a 2017 Chevrolet Silverado related to the Air Conditioning Compressor Valve Control Circuit?
The common symptoms include the air conditioning system not cooling properly, unusual noises coming from the compressor, and the AC compressor cycling on and off frequently.
2. What are the possible causes of OBDII code B393B in a 2017 Chevrolet Silverado?
Possible causes include a faulty compressor control valve, damaged wiring or connectors in the compressor circuit, low refrigerant levels, or a malfunctioning AC compressor.
3. How can I diagnose OBDII code B393B in a 2017 Chevrolet Silverado related to the Air Conditioning Compressor Valve Control Circuit?
Diagnosis involves using a scan tool to retrieve the trouble code, inspecting the compressor control valve and related components for damage, checking the wiring and connectors for any issues, and verifying refrigerant levels.
4. Can I still drive my 2017 Chevrolet Silverado with OBDII code B393B related to the Air Conditioning Compressor Valve Control Circuit?
It is not recommended to drive the vehicle with this code active, as it can lead to further damage to the air conditioning system and potentially cause overheating issues.
5. How can I repair OBDII code B393B in a 2017 Chevrolet Silverado related to the Air Conditioning Compressor Valve Control Circuit?
Repair options include replacing the compressor control valve, repairing or replacing damaged wiring or connectors, ensuring proper refrigerant levels, and addressing any issues with the AC compressor.
6. Is it safe to reset the OBDII code B393B in a 2017 Chevrolet Silverado without fixing the underlying issue?
Resetting the code without addressing the root cause can temporarily clear the warning light, but the issue will likely reoccur, leading to continued air conditioning problems.
7. Can a DIY enthusiast fix OBDII code B393B in a 2017 Chevrolet Silverado related to the Air Conditioning Compressor Valve Control Circuit?
While some simple tasks like checking connectors and wiring can be done by a DIY enthusiast, diagnosing and repairing complex issues with the compressor valve control circuit may require professional expertise.
8. How much does it typically cost to repair OBDII code B393B in a 2017 Chevrolet Silverado related to the Air Conditioning Compressor Valve Control Circuit?
The cost of repair can vary depending on the specific issue, but it may range from $200 to $800 or more, including parts and labor.
9. Will ignoring OBDII code B393B in a 2017 Chevrolet Silverado affect the vehicle's performance?
Ignoring the code can lead to reduced air conditioning performance, increased fuel consumption due to system inefficiency, and potential damage to other components in the AC system.
10. How often should I have my 2017 Chevrolet Silverado's air conditioning system inspected to prevent issues like OBDII code B393B from occurring?
It is recommended to have the air conditioning system inspected annually or whenever you notice any signs of decreased cooling performance to catch and address potential issues early on.
Discuss the causes and fixes for B393B 2017 Chevrolet Silverado OBDII Code
Code B393B 2017 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
