B0790 Chevrolet Code - Transfer Case Neutral Indicator Circuit
Quick Answer
The Neutral indicator circuit consists of a Light Emitting Diode (LED) feed circuit, an LED, and an 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
- B0790 Chevrolet indicates Transfer Case Neutral 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 B0790 Chevrolet Description
The TCCM tests the Neutral indicator circuit for unexpected voltage by monitoring the B+ supplied by the BCM on the Ignition 1 voltage circuit by grounding the Neutral indicator control circuit for 2 seconds during the Bulb Test at key ON.
What are the Possible Causes of the DTC B0790 Chevrolet?
- 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 B0790 Chevrolet?
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 B0790 Chevrolet 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 B0790 Chevrolet code?
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Information for Specific Chevrolet Models
- B0790 2014 Chevrolet Silverado — Transfer Case Neutral Indicator Circuit
- B0790 2015 Chevrolet Silverado — Transfer Case Neutral Indicator Circuit
- B0790 2016 Chevrolet Silverado — Transfer Case Neutral Indicator Circuit
- B0790 2017 Chevrolet Silverado — Transfer Case Neutral Indicator Circuit
- B0790 2018 Chevrolet Silverado — Transfer Case Neutral Indicator Circuit
Frequently Asked Questions about B0790 Chevrolet Code
1. What are the common symptoms of OBDII code B0790 Chevrolet related to the Transfer Case Neutral Indicator Circuit?
- Common symptoms include the neutral indicator light on the dashboard not working or staying illuminated, difficulty shifting gears, and the transfer case not engaging properly.
2. What are the possible causes of OBDII code B0790 Chevrolet?
- The code B0790 Chevrolet can be triggered by issues such as a faulty neutral indicator switch, damaged wiring or connectors in the circuit, or a malfunctioning transfer case control module.
3. How can I diagnose the OBDII code B0790 Chevrolet issue?
- Diagnosing the B0790 code involves inspecting the neutral indicator switch, checking for damaged wiring or connectors, and using a diagnostic scanner to communicate with the transfer case control module for any error codes.
4. Can I drive my Chevrolet with the OBDII code B0790 active?
- It is not recommended to drive your Chevrolet with the B0790 code active, as it may lead to further damage to the transfer case system and affect the vehicle's drivability.
5. What are some repair tips for fixing the OBDII code B0790 Chevrolet issue?
- Repair tips include replacing the neutral indicator switch if faulty, repairing any damaged wiring or connectors in the circuit, and resetting the transfer case control module to clear the code.
6. How much does it typically cost to repair the OBDII code B0790 Chevrolet issue?
- The cost of repairs for the B0790 code can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
7. Can I reset the OBDII code B0790 Chevrolet without fixing the underlying issue?
- While you can clear the code temporarily by resetting the vehicle's computer, the code is likely to return if the underlying issue with the Transfer Case Neutral Indicator Circuit is not fixed.
8. Are there any preventive maintenance steps to avoid the OBDII code B0790 Chevrolet in the future?
- Regularly inspecting the transfer case system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the occurrence of the B0790 code in the future.
9. Is the OBDII code B0790 Chevrolet a common issue in Chevrolet vehicles?
- The B0790 code related to the Transfer Case Neutral Indicator Circuit can occur in Chevrolet vehicles with transfer case systems, especially in older models or those with high mileage.
10. Can I fix the OBDII code B0790 Chevrolet issue myself, or should I seek professional help?
- While some DIY enthusiasts may be able to diagnose and repair the B0790 code themselves, it is recommended to seek professional help, especially if dealing with complex electrical issues or module programming.
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