B0790 Cadillac 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 Cadillac 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 Cadillac 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 Cadillac?
- 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 Cadillac?
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 Cadillac 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 Cadillac code?
Need more information on how to fix the B0790 Cadillac code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B0790 Cadillac code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B0790 Cadillac Code
1. What are the common symptoms of OBDII code B0790 in a Cadillac related to the Transfer Case Neutral Indicator Circuit?
- Common symptoms include the transfer case neutral indicator not functioning properly, the indicator light staying on or off when it shouldn't, or the indicator showing the wrong gear position.
2. What are the possible causes of OBDII code B0790 in a Cadillac?
- Possible causes include a faulty neutral safety switch, wiring issues in the transfer case neutral indicator circuit, a defective indicator light, or a malfunctioning transfer case control module.
3. How can I diagnose the OBDII code B0790 in a Cadillac related to the Transfer Case Neutral Indicator Circuit?
- Diagnose this code by checking the wiring connections, inspecting the indicator light for any damage, testing the neutral safety switch, and scanning the transfer case control module for fault codes.
4. What are the recommended repair tips for fixing OBDII code B0790 in a Cadillac?
- Repair tips include repairing or replacing any damaged wiring in the indicator circuit, replacing a defective neutral safety switch, fixing any issues with the indicator light, or reprogramming the transfer case control module if necessary.
5. Can OBDII code B0790 in a Cadillac cause any safety concerns?
- While this code may not directly cause safety issues, it can lead to confusion about the gear position, potentially affecting driving decisions. It's important to address this code promptly to avoid any unintended consequences.
6. How do I reset the OBDII code B0790 in a Cadillac after repairing the issue?
- After repairing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the car's battery for a few minutes. Be sure to drive the vehicle to see if the code returns.
7. Is it safe to continue driving a Cadillac with OBDII code B0790 related to the Transfer Case Neutral Indicator Circuit?
- It is generally safe to drive the vehicle with this code, but it's important to address the underlying issue promptly to ensure proper functionality of the transfer case neutral indicator and to prevent any potential confusion while driving.
8. Can weather or environmental factors contribute to triggering OBDII code B0790 in a Cadillac?
- While weather and environmental factors can potentially affect the indicator circuit or components, the code is usually triggered by underlying electrical or mechanical issues in the transfer case neutral indicator system.
9. How long does it typically take to repair OBDII code B0790 in a Cadillac?
- The repair time can vary depending on the exact cause of the code, but it may take anywhere from an hour to several hours to diagnose and fix the issue related to the Transfer Case Neutral Indicator Circuit.
10. Are there any preventive maintenance steps to avoid OBDII code B0790 in a Cadillac in the future?
- To prevent this code, regularly inspect the indicator system components, address any wiring issues promptly, and ensure the transfer case control module is functioning correctly during routine maintenance checks.
Discuss the causes and fixes for B0790 Cadillac OBDII Code
Code B0790 Cadillac 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.
