B0770 2015 Chevrolet Silverado Code - All Wheel Drive Indicator Circuit
Quick Answer
The All Wheel Drive (AWD/4WD Auto) 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
- B0770 2015 Chevrolet Silverado indicates All Wheel Drive 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 B0770 2015 Chevrolet Silverado Description
The TCCM tests the AWD indicator circuit for unexpected voltage by monitoring the B+ supplied by the BCM on the indicator dimming control circuit by grounding the AWD indicator control circuit for 2 seconds during the Bulb Test at key ON.
What are the Possible Causes of the DTC B0770 2015 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 B0770 2015 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 B0770 2015 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 B0770 2015 Chevrolet Silverado code?
Need more information on how to fix the B0770 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0770 2015 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B0770 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B0770 in a 2015 Chevrolet Silverado related to the All Wheel Drive Indicator Circuit?
- Common symptoms include the all-wheel-drive (AWD) indicator light not illuminating or staying on constantly, even when the AWD system is not engaged.
2. What are the possible causes of OBDII code B0770 in a 2015 Chevrolet Silverado?
- The code B0770 may be triggered by a faulty AWD indicator switch, wiring issues in the AWD indicator circuit, or a malfunction in the AWD control module.
3. How can I diagnose the OBDII code B0770 in my 2015 Chevrolet Silverado?
- Diagnosis typically involves using a scan tool to retrieve the specific code, inspecting the AWD indicator switch and circuit for any visible damage, and testing the AWD control module for proper functionality.
4. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code B0770 active?
- While the vehicle may still operate normally with this code present, it is recommended to address the issue promptly to ensure the proper functioning of the AWD system and avoid potential future problems.
5. Can I repair OBDII code B0770 in my 2015 Chevrolet Silverado myself?
- Depending on your level of automotive expertise, you may be able to address this issue yourself by inspecting the AWD indicator circuit, testing components, and replacing any faulty parts as needed.
6. How much does it typically cost to repair OBDII code B0770 in a 2015 Chevrolet Silverado at a dealership or repair shop?
- The cost of repair can vary depending on the specific cause of the issue, but it may involve diagnostic fees, labor costs, and the price of any replacement parts required to fix the AWD indicator circuit problem.
7. Can a faulty AWD indicator circuit affect the overall performance of my 2015 Chevrolet Silverado?
- While the primary impact of a faulty AWD indicator circuit is related to the AWD system's indication, addressing the issue promptly is important to ensure the proper functioning of the system and prevent potential complications.
8. Are there any common DIY solutions to troubleshoot OBDII code B0770 in a 2015 Chevrolet Silverado?
- DIY troubleshooting steps may include checking the AWD indicator switch for proper operation, inspecting related wiring for damage or loose connections, and ensuring the AWD control module is functioning correctly.
9. How long does it typically take to repair OBDII code B0770 in a 2015 Chevrolet Silverado?
- The repair time can vary based on the specific cause of the issue and the complexity of the repair process, but it may range from a quick fix to a more involved repair that could take several hours to complete.
10. Will resetting the OBDII system clear code B0770 in my 2015 Chevrolet Silverado?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the AWD indicator circuit is not addressed, the code is likely to reappear once the system detects the problem again.
Discuss the causes and fixes for B0770 2015 Chevrolet Silverado OBDII Code
Code B0770 2015 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.
