B0790 Code - Transfer Case Neutral Indicator Circuit
Quick Answer
The B0790 code refers to an issue with the Transfer Case Neutral Indicator Circuit. Common causes include Faulty transfer case neutral indicator switch, Damaged wiring or connectors in the indicator circuit, Corrosion or poor connections in the circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B0790 indicates Transfer Case Neutral Indicator Circuit.
- Common causes
- Common causes include Faulty transfer case neutral indicator switch, Damaged wiring or connectors in the indicator circuit, Corrosion or poor connections in the circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B0790 Description
The B0790 code refers to an issue with the Transfer Case Neutral Indicator Circuit. The transfer case is an essential component of a four-wheel-drive system, responsible for distributing power between the front and rear axles. The neutral indicator circuit is part of the system that informs the driver of the current gear selection, including whether the transfer case is in neutral.
Common Causes of B0790
- Faulty transfer case neutral indicator switch.
- Damaged wiring or connectors in the indicator circuit.
- Corrosion or poor connections in the circuit.
- Defective transfer case control module.
- Electrical issues such as blown fuses or relays related to the circuit.
Symptoms of B0790
- Transfer case indicator light constantly illuminated or flashing.
- Inaccurate or erratic display of transfer case position on the dashboard.
- Difficulty shifting the transfer case into the desired gear.
- Unusual noises coming from the transfer case area.
- Vehicle may not engage four-wheel drive properly.
How to Fix B0790
- Begin by conducting a thorough inspection of the transfer case neutral indicator circuit, checking for any visible damage or corrosion.
- Test the transfer case neutral indicator switch to determine if it is functioning correctly. Replace if necessary.
- Inspect the wiring and connectors in the circuit for any signs of damage or poor connections. Repair or replace as needed.
- Check the transfer case control module for any faults or malfunctions. Replace if required.
- Clear the diagnostic trouble codes from the vehicle's system and test the transfer case to ensure proper functionality.
Cost to Fix B0790
The repair costs for addressing the B0790 code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It is essential to consider the specific diagnosis time and labor rates at auto repair shops, which can fluctuate based on various factors.
Need more information about the B0790 code?
Need more information on how to fix the B0790 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0790 code diagnosed by a professional: Find a repair shop in your area
Code B0790 Information for Specific Makes
- B0790 Buick — Transfer Case Neutral Indicator Circuit
- B0790 Cadillac — Transfer Case Neutral Indicator Circuit
- B0790 Chevrolet — Transfer Case Neutral Indicator Circuit
- B0790 GMC — Transfer Case Neutral Indicator Circuit
Frequently Asked Questions about B0790 Code
1. What are the common symptoms of OBDII code B0790 (Transfer Case Neutral Indicator Circuit)?
- Common symptoms include the neutral indicator light staying on or not functioning properly, difficulty shifting gears, and potential issues with the transfer case.
2. What are the possible causes of OBDII code B0790?
- Possible causes of this code include a faulty neutral indicator switch, damaged wiring or connectors in the circuit, or issues with the transfer case control module.
3. How can I diagnose OBDII code B0790?
- Diagnosing this code typically involves checking the wiring and connectors in the transfer case neutral indicator circuit, testing the neutral indicator switch, and inspecting the transfer case control module for any faults.
4. Can a DIYer repair OBDII code B0790 at home?
- Depending on your level of experience and access to tools, DIY repairs for this code may be possible. However, it is recommended to consult a professional mechanic to ensure proper diagnosis and repair.
5. What are the potential risks of ignoring OBDII code B0790?
- Ignoring this code can lead to incorrect gear selection, potential damage to the transfer case, and safety risks due to inaccurate indicator readings.
6. How much does it typically cost to repair OBDII code B0790?
- Repair costs for this code can vary depending on the underlying cause, parts needed, and labor rates. It is advisable to obtain multiple quotes from reputable repair shops.
7. Are there any temporary fixes for OBDII code B0790?
- While temporary fixes may include resetting the code or checking and securing the wiring connections, it is crucial to address the root cause of the issue to prevent further problems.
8. Can extreme weather conditions affect OBDII code B0790?
- Extreme weather conditions, such as temperature fluctuations or moisture exposure, can potentially worsen existing issues related to the transfer case neutral indicator circuit.
9. Is it safe to continue driving with OBDII code B0790 present?
- It is not recommended to continue driving with this code present, as it can impact the proper functioning of the transfer case and compromise the vehicle's overall performance.
10. How long does it typically take to repair OBDII code B0790?
- Repair times for this code can vary based on the specific diagnosis and repair process. It is advisable to consult with a professional mechanic for a more accurate time estimate.
Discuss the causes and fixes for B0790 OBDII Code
Code B0790 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.