P1873 GMC Code - Torque Converter Clutch Stator Temperature Switch Circuit Low
Quick Answer
P1873 GMC indicates Torque Converter Clutch Stator Temperature Switch Circuit Low. Common causes include Faulty Torque Converter Clutch (TCC) Stator Temperature Switch, Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted, Torque Converter Clutch (TCC) Stator Temperature Switch 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
- P1873 GMC indicates Torque Converter Clutch Stator Temperature Switch Circuit Low.
- Common causes
- Common causes include Faulty Torque Converter Clutch (TCC) Stator Temperature Switch, Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted, Torque Converter Clutch (TCC) Stator Temperature Switch 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 P1873 GMC Description
What are the Possible Causes of the DTC P1873 GMC?
- Faulty Torque Converter Clutch (TCC) Stator Temperature Switch
- Torque Converter Clutch (TCC) Stator Temperature Switch harness is open or shorted
- Torque Converter Clutch (TCC) Stator Temperature Switch circuit poor electrical connection
How to Fix the DTC P1873 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 P1873 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 P1873 GMC code?
Need more information on how to fix the P1873 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1873 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1873 GMC Code
1. What does the OBDII code P1873 mean on a GMC vehicle?
P1873 indicates an issue with the Torque Converter Clutch Stator Temperature Switch Circuit, specifically a low voltage or signal problem.
2. What are the common symptoms of code P1873 on a GMC?
Symptoms may include transmission overheating, poor fuel economy, erratic shifting, or the Check Engine Light turning on.
3. What causes code P1873 in GMC vehicles?
Common causes include a faulty temperature switch, damaged wiring or connectors, a short circuit, or issues with the transmission control module (TCM).
4. Can I drive my GMC with code P1873 active?
While the vehicle may still be drivable, prolonged operation with this code can lead to transmission damage or efficiency issues. It is best to address the problem promptly.
5. How do I diagnose code P1873 on my GMC?
Diagnosis typically involves inspecting the temperature switch, checking wiring and connectors for damage, and testing the transmission control module for faults.
6. What repairs are needed to fix code P1873?
Repairs may include replacing the temperature switch, repairing or replacing wiring, or addressing issues with the transmission control module.
7. How much does it cost to fix code P1873 on a GMC?
Repair costs vary depending on the specific issue but can range from $100 for simple wiring fixes to over $500 if the temperature switch or TCM needs replacement.
8. Can a dirty transmission fluid cause code P1873?
Yes, contaminated or low transmission fluid can affect temperature readings and cause the code to trigger.
9. How can I prevent code P1873 from happening again?
Regular transmission maintenance, including fluid changes and inspections, can help prevent issues related to the torque converter clutch stator temperature switch.
10. Is code P1873 specific to GMC vehicles?
No, while the code is commonly seen in GMC vehicles, it can also appear in other makes and models with similar transmission systems.
Discuss the causes and fixes for P1873 GMC OBDII Code
Code P1873 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.
