P1850 GMC Code - Brake Band Apply Solenoid Circuit
Quick Answer
With the engine running, Transmission Control Module (TCM) High Side driver is closed, the Powertrain Control Module (PCM) detects that the Band Control solenoid was commanded off and the feedback voltage was less than 2.45v, or the Band Control solenoid was commanded off and the feedback voltage was from 2.45 -3.53v, or the Band Control solenoid was commanded on and the feedback voltage was more than 4.02v. Common causes include Faulty Brake Band Apply Solenoid, Brake Band Apply Solenoid harness is open or shorted, Brake Band Apply Solenoid circuit poor electrical connection. 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
- P1850 GMC indicates Brake Band Apply Solenoid Circuit.
- Common causes
- Common causes include Faulty Brake Band Apply Solenoid, Brake Band Apply Solenoid harness is open or shorted, Brake Band Apply Solenoid circuit poor electrical connection.
- 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.
Code P1850 GMC Description
What are the Possible Causes of the DTC P1850 GMC?
- Faulty Brake Band Apply Solenoid
- Brake Band Apply Solenoid harness is open or shorted
- Brake Band Apply Solenoid circuit poor electrical connection
How to Fix the DTC P1850 GMC?
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 P1850 GMC 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 P1850 GMC code?
Need more information on how to fix the P1850 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1850 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1850 GMC Code
1. What are common symptoms of OBDII code P1850 GMC related to the Brake Band Apply Solenoid Circuit?
- Common symptoms include harsh shifting, transmission slipping, and the transmission staying in one gear.
2. What are the possible causes of OBDII code P1850 GMC indicating an issue with the Brake Band Apply Solenoid Circuit?
- Possible causes include a faulty brake band apply solenoid, wiring issues, or a problem with the transmission control module.
3. How can I diagnose the source of OBDII code P1850 GMC linked to the Brake Band Apply Solenoid Circuit?
- The diagnosis typically involves checking the brake band apply solenoid for proper operation, inspecting the wiring for any damage, and scanning the transmission control module for fault codes.
4. What are the recommended repair tips for resolving OBDII code P1850 GMC concerning the Brake Band Apply Solenoid Circuit?
- Repair tips may include replacing the faulty brake band apply solenoid, repairing any damaged wiring, or reprogramming the transmission control module.
5. Is it safe to continue driving with OBDII code P1850 GMC related to the Brake Band Apply Solenoid Circuit?
- It is not recommended to drive the vehicle with this code as it can lead to further transmission issues and potential safety hazards.
6. Can a DIY enthusiast fix OBDII code P1850 GMC associated with the Brake Band Apply Solenoid Circuit?
- Depending on the skill level and access to tools, some DIY enthusiasts may be able to address this issue, but it is advisable to seek professional assistance for proper diagnosis and repair.
7. How much does it typically cost to repair OBDII code P1850 GMC involving the Brake Band Apply Solenoid Circuit?
- Repair costs can vary depending on the specific cause of the issue, but it may involve parts replacement, wiring repairs, or reprogramming, which can range from a few hundred to over a thousand dollars.
8. Can a low transmission fluid level trigger OBDII code P1850 GMC related to the Brake Band Apply Solenoid Circuit?
- Yes, a low transmission fluid level can affect the proper operation of the brake band apply solenoid and lead to the triggering of this fault code.
9. Are there any preventive maintenance measures to avoid encountering OBDII code P1850 GMC related to the Brake Band Apply Solenoid Circuit?
- Regularly checking and maintaining the transmission fluid level, as well as addressing any transmission issues promptly, can help prevent the occurrence of this fault code.
10. How long does it typically take to repair OBDII code P1850 GMC concerning the Brake Band Apply Solenoid Circuit?
- The repair duration can vary based on the exact cause of the issue and the complexity of the repair, but it may take a few hours to a full day to address this fault code effectively.
Discuss the causes and fixes for P1850 GMC OBDII Code
Code P1850 GMC 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.
