B0770 2017 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 2017 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 2017 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 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 B0770 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 B0770 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 B0770 2017 Chevrolet Silverado code?
Need more information on how to fix the B0770 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about B0770 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B0770 in a 2017 Chevrolet Silverado?
The common symptoms include the all-wheel drive indicator light not functioning properly or staying illuminated constantly.
2. What is the likely cause of OBDII code B0770 in a 2017 Chevrolet Silverado?
The most likely cause is a fault in the all-wheel drive indicator circuit, such as a wiring issue or a malfunctioning indicator switch.
3. How can I diagnose the OBDII code B0770 in my 2017 Chevrolet Silverado?
Diagnosing this code usually involves checking the wiring connections, testing the indicator switch, and using a diagnostic scanner to pinpoint the exact issue.
4. Can I continue driving my 2017 Chevrolet Silverado with OBDII code B0770?
It is generally not recommended to drive the vehicle with this code present, as it may lead to further electrical problems or affect the functionality of the all-wheel drive system.
5. Is it possible to repair OBDII code B0770 in a 2017 Chevrolet Silverado on my own?
While some simple wiring issues may be within reach for DIY repair, it is advisable to consult a professional mechanic for accurate diagnosis and proper repair of the indicator circuit.
6. How much does it cost to fix OBDII code B0770 in a 2017 Chevrolet Silverado?
The cost of fixing this code can vary depending on the specific issue, but it may range from a few hundred dollars for basic repairs to more for complex wiring or switch replacements.
7. Will resetting the OBDII system clear code B0770 in my 2017 Chevrolet Silverado?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.
8. Can extreme weather conditions trigger OBDII code B0770 in a 2017 Chevrolet Silverado?
Extreme weather conditions can potentially exacerbate existing issues with the indicator circuit, leading to the triggering of this code in some cases.
9. How important is it to address OBDII code B0770 promptly in a 2017 Chevrolet Silverado?
Promptly addressing this code is crucial to ensure the proper functioning of the all-wheel drive system and prevent potential safety hazards associated with a malfunctioning indicator.
10. Are there any recalls or service bulletins related to OBDII code B0770 in a 2017 Chevrolet Silverado?
It is advisable to check with Chevrolet dealership or online resources for any recalls or service bulletins related to this specific OBDII code to stay informed about potential manufacturer-acknowledged issues.
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