B0780 2018 Chevrolet Silverado Code - Four Wheel Drive Low Range Indicator Circuit
Quick Answer
The Four-Wheel Drive (4WD) Low Range (LO) 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
- B0780 2018 Chevrolet Silverado indicates Four Wheel Drive Low Range 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 B0780 2018 Chevrolet Silverado Description
The TCCM tests the 4WD LO indicator circuit for unexpected voltage by monitoring the B+ supplied by the Body Control Module (BCM) on the indicator dimming control circuit by grounding the 4WD LO indicator control circuit for 2 seconds during the Bulb Test at key ON.
What are the Possible Causes of the DTC B0780 2018 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 B0780 2018 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 B0780 2018 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 B0780 2018 Chevrolet Silverado code?
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Frequently Asked Questions about B0780 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B0780 in a 2018 Chevrolet Silverado?
The common symptoms include the Four Wheel Drive Low Range indicator staying illuminated or not functioning properly.
2. What could cause the Four Wheel Drive Low Range Indicator Circuit issue in a 2018 Chevrolet Silverado?
Potential causes of this issue may include faulty wiring, a malfunctioning transfer case control module, or a problem with the indicator switch.
3. How can I diagnose the cause of OBDII code B0780 in my 2018 Chevrolet Silverado?
Diagnosing the issue involves checking the wiring for any damage, testing the transfer case control module, and inspecting the indicator switch for proper functionality.
4. Can a DIY enthusiast repair the Four Wheel Drive Low Range Indicator Circuit problem in a 2018 Chevrolet Silverado?
Depending on the cause, a DIY enthusiast with the necessary tools and knowledge of automotive electrical systems may be able to repair the issue. However, complex wiring or module problems may require professional assistance.
5. Is it safe to continue driving my 2018 Chevrolet Silverado with the Four Wheel Drive Low Range Indicator Circuit problem?
It is generally not recommended to drive the vehicle with unresolved electrical issues, as they can potentially lead to further damage or safety hazards. It's best to address the problem promptly.
6. How much does it typically cost to repair OBDII code B0780 in a 2018 Chevrolet Silverado?
The cost of repairs can vary depending on the exact cause of the issue and whether it can be fixed with simple repairs or requires parts replacement. It's advisable to consult with a mechanic for an accurate estimate.
7. Are there any preventive measures to avoid encountering the Four Wheel Drive Low Range Indicator Circuit problem in a 2018 Chevrolet Silverado?
Regularly inspecting the wiring and components related to the Four Wheel Drive system, as well as following the manufacturer's maintenance recommendations, can help prevent such issues from occurring.
8. Can a low battery voltage trigger the Four Wheel Drive Low Range Indicator Circuit problem in a 2018 Chevrolet Silverado?
Yes, low battery voltage or electrical system issues can potentially affect the proper functioning of various vehicle systems, including the Four Wheel Drive indicator circuit.
9. Will resetting the OBDII system clear the B0780 code in a 2018 Chevrolet Silverado?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the Four Wheel Drive Low Range Indicator problem is not addressed, the code is likely to reappear.
10. How long does it take to repair the Four Wheel Drive Low Range Indicator Circuit issue in a 2018 Chevrolet Silverado?
The repair time can vary based on the specific cause of the problem and the complexity of the repair. Simple fixes may take a short time, while more intricate issues could require more extensive diagnosis and repair procedures.
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