B0775 2017 Chevrolet Silverado Code - Four Wheel Drive High Indicator Circuit
Quick Answer
The Four Wheel Drive HI indicator circuit consists of a Light Emitting Diode (LED) feed circuit, a LED, and a LED control circuit. Common causes include Faulty Transfer Case Select Switch, Transfer Case Select Switch harness is open or shorted, Transfer Case Select Switch 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
- B0775 2017 Chevrolet Silverado indicates Four Wheel Drive High Indicator Circuit.
- Common causes
- Common causes include Faulty Transfer Case Select Switch, Transfer Case Select Switch harness is open or shorted, Transfer Case Select Switch 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.
Code B0775 2017 Chevrolet Silverado Description
The TCCM tests the 4WD HI indicator circuit for unexpected voltage by monitoring the B+ supplied by the BCM on the indicator dimming control circuit by grounding the 4WD HI indicator control circuit for 2 seconds during the Bulb Test at key ON.
What are the Possible Causes of the DTC B0775 2017 Chevrolet Silverado?
- Faulty Transfer Case Select Switch
- Transfer Case Select Switch harness is open or shorted
- Transfer Case Select Switch circuit poor electrical connection
- Faulty Transfer Case Shift Control Module (TCCM)
How to Fix the DTC B0775 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 B0775 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 B0775 2017 Chevrolet Silverado code?
Need more information on how to fix the B0775 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about B0775 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B0775 in a 2017 Chevrolet Silverado related to the Four Wheel Drive High Indicator Circuit?
- The common symptoms include the Four Wheel Drive High indicator light not illuminating or staying on when it shouldn't.
2. What are the possible causes of OBDII code B0775 in a 2017 Chevrolet Silverado?
- The code B0775 can be triggered by issues such as a faulty indicator switch, wiring problems, or a malfunctioning transfer case control module.
3. How can I diagnose the cause of OBDII code B0775 in my 2017 Chevrolet Silverado?
- To diagnose the issue, you can start by checking the indicator switch for proper operation, inspecting the wiring for any damage, and testing the transfer case control module for faults.
4. Can I still drive my 2017 Chevrolet Silverado with OBDII code B0775 present?
- It is generally safe to drive the vehicle with this code, but it is recommended to address the underlying issue promptly to ensure proper functionality of the Four Wheel Drive system.
5. How can I repair OBDII code B0775 in my 2017 Chevrolet Silverado?
- The repair process may involve replacing the faulty indicator switch, repairing any damaged wiring, or reprogramming the transfer case control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.
6. Are there any DIY tips for troubleshooting OBDII code B0775 in a 2017 Chevrolet Silverado?
- You can start by checking the fuse related to the Four Wheel Drive system, inspecting the indicator switch for debris or corrosion, and ensuring all connections are secure before seeking professional assistance.
7. Will resetting the OBDII code B0775 in my 2017 Chevrolet Silverado make the issue go away?
- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem causing the code. It is important to diagnose and repair the issue to prevent recurrence.
8. How much does it typically cost to repair OBDII code B0775 in a 2017 Chevrolet Silverado at a dealership?
- The cost of repairing OBDII code B0775 can vary depending on the specific cause of the issue, but it may range from $100 to $500 or more, including parts and labor.
9. Can extreme weather conditions affect the triggering of OBDII code B0775 in a 2017 Chevrolet Silverado?
- Extreme weather conditions such as temperature fluctuations or moisture exposure can potentially impact the Four Wheel Drive High Indicator Circuit, leading to the triggering of code B0775.
10. Is OBDII code B0775 a common issue in 2017 Chevrolet Silverado vehicles?
- While not extremely common, code B0775 related to the Four Wheel Drive High Indicator Circuit can occur in 2017 Chevrolet Silverado models due to various factors like wear and tear or electrical issues.
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