B0780 2015 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 2015 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 2015 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 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 B0780 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 B0780 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 B0780 2015 Chevrolet Silverado code?
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Frequently Asked Questions about B0780 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code B0780 in a 2015 Chevrolet Silverado?
The common symptoms include the Four Wheel Drive Low Range indicator staying illuminated on the dashboard even when the vehicle is not in low range mode.
2. What are the possible causes of OBDII code B0780 in a 2015 Chevrolet Silverado?
Possible causes of this code include a faulty Four Wheel Drive Low Range indicator switch, wiring issues in the indicator circuit, or a malfunctioning control module.
3. How can I diagnose the Four Wheel Drive Low Range Indicator Circuit issue in my 2015 Chevrolet Silverado?
To diagnose the issue, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the indicator switch and wiring for any visible damage, and perform a continuity test on the circuit.
4. Can OBDII code B0780 in a 2015 Chevrolet Silverado be fixed at home?
Depending on the cause of the code, some DIY fixes may be possible, such as replacing a faulty indicator switch or repairing a damaged wire. However, more complex issues may require professional diagnosis and repair.
5. Is it safe to drive my 2015 Chevrolet Silverado with OBDII code B0780 active?
It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper operation of the Four Wheel Drive Low Range system.
6. How much does it typically cost to repair OBDII code B0780 in a 2015 Chevrolet Silverado?
The cost of repairing this code can vary depending on the specific cause of the issue and whether you choose to DIY or seek professional help. Costs may range from a simple switch replacement to more extensive wiring repairs.
7. Can resetting the OBDII system clear code B0780 in a 2015 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 system detects the fault again.
8. What are the long-term effects of ignoring OBDII code B0780 in a 2015 Chevrolet Silverado?
Ignoring this code may lead to continued malfunction of the Four Wheel Drive Low Range system, potentially causing inconvenience or safety concerns when operating the vehicle in certain conditions.
9. Are there any preventive measures to avoid OBDII code B0780 in a 2015 Chevrolet Silverado?
Regularly inspecting and maintaining the Four Wheel Drive Low Range system, including the indicator switch and wiring, can help prevent issues that may trigger this code.
10. Can a mechanic help me fix OBDII code B0780 in my 2015 Chevrolet Silverado?
Yes, a qualified mechanic or dealership service center can diagnose the issue, recommend the necessary repairs, and help fix OBDII code B0780 in your 2015 Chevrolet Silverado.
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