B0770 2016 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 2016 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 2016 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 2016 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 2016 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 2016 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 2016 Chevrolet Silverado code?
Need more information on how to fix the B0770 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about B0770 2016 Chevrolet Silverado Code
1. What are common symptoms of OBDII code B0770 in a 2016 Chevrolet Silverado?
- The common symptoms include the all-wheel-drive indicator light not functioning properly or illuminating intermittently on the dashboard.
2. What causes the OBDII code B0770 in a 2016 Chevrolet Silverado?
- The code B0770 is typically triggered by a malfunction in the all-wheel-drive indicator circuit, which can be caused by wiring issues, a faulty indicator switch, or a problem with the control module.
3. How can I diagnose the OBDII code B0770 in my 2016 Chevrolet Silverado?
- Diagnosing the code B0770 involves checking the wiring for any damage, testing the indicator switch for proper functionality, and using a diagnostic scanner to retrieve specific error codes from the vehicle's system.
4. Can I continue driving my 2016 Chevrolet Silverado with the OBDII code B0770?
- It is generally safe to continue driving the vehicle with the B0770 code, but it is recommended to address the underlying issue promptly to ensure the proper functioning of the all-wheel-drive system.
5. How can I repair the OBDII code B0770 in my 2016 Chevrolet Silverado?
- Repairing the B0770 code may involve repairing or replacing damaged wiring, replacing the faulty indicator switch, or addressing any issues with the control module as needed.
6. Is it possible to reset the OBDII code B0770 in a 2016 Chevrolet Silverado without fixing the underlying issue?
- While you can clear the code temporarily by resetting the vehicle's computer, the B0770 code is likely to reappear if the root cause of the issue is not resolved.
7. Are there any DIY tips for fixing the OBDII code B0770 in a 2016 Chevrolet Silverado?
- DIY enthusiasts can start by checking the wiring connections and indicator switch for any visible damage or loose connections before considering more advanced repairs or component replacements.
8. Can extreme weather conditions affect the occurrence of the OBDII code B0770 in a 2016 Chevrolet Silverado?
- Extreme weather conditions, such as moisture or temperature fluctuations, can potentially exacerbate existing issues in the indicator circuit and lead to the triggering of the B0770 code.
9. How long does it typically take to repair the OBDII code B0770 in a 2016 Chevrolet Silverado?
- The repair time for the B0770 code can vary depending on the exact cause of the issue and the complexity of the repair process, but it may take anywhere from a few hours to a full day at a professional repair shop.
10. Is it necessary to visit a dealership for repairs related to the OBDII code B0770 in a 2016 Chevrolet Silverado?
- While visiting a dealership is an option, independent automotive repair shops with experience in electrical systems can also effectively diagnose and repair the B0770 code in a 2016 Chevrolet Silverado.
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