Transmission Clutch C Pressure Too Low
The P2871 code means the vehicle's onboard diagnostic system has detected: Transmission Clutch C Pressure Too Low. This is a critical severity code.
- Keep driving?
- No — stop driving
- DIY difficulty
- hard
- Estimated cost
- $800 - $3,500 (parts and labor)
Read and clear transmission codes. Many trans codes are caused by low or burnt fluid -- check level and color before assuming the worst.
Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
Affiliate links — we earn a commission at no extra cost to you.
What Are the Symptoms of P2871?
- Severe transmission slipping
- No forward or reverse movement
- Check Engine Light on
- Burning smell from transmission
What Causes P2871? (Most Likely First)
- Internal clutch pack C failure Very High
- Transmission pump pressure loss High
- Valve body stuck or leaking Moderate
- Damaged clutch seals Low
Can I Still Drive with P2871?
No — stop driving. P2871 is rated critical severity. Continuing to drive in this state risks further damage — get it looked at before your next trip.
Frequently Asked Questions
Is this a major repair?
Yes, low clutch pressure often indicates internal transmission damage requiring a rebuild or replacement.
What causes clutch pack failure?
Overheating, contaminated fluid, high mileage wear, and towing beyond the vehicle rating are common causes.
Can I tow with this code?
Absolutely not. Towing with low clutch pressure will cause rapid and catastrophic transmission failure.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2871?
-
Check transmission fluid level and condition
-
Perform line pressure test
-
Inspect valve body operation
-
Remove pan and inspect for debris
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
Which Vehicles Commonly Get P2871?
- 2010-2019 Chevrolet Silverado
- 2011-2020 Ford F-150
- 2012-2019 Ram 1500
- 2013-2020 Toyota Tundra
Explore More
Was this helpful?
Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.