What Does P081E Mean?
The PCM/TCM has detected excessive slippage in transmission clutch pack "B." This means the clutch is not holding properly under load, causing RPM flares during shifts or a loss of power transfer. This is typically a mechanical or hydraulic issue within the transmission, though low fluid or a solenoid fault can also be responsible.
Safety Warning
Excessive clutch slippage generates heat that can cause cascading transmission damage. The vehicle may experience delayed engagement, harsh shifts, or loss of a gear. Minimize driving and avoid heavy loads or towing. Professional repair is strongly recommended.
Common Causes
35%
Worn or burnt clutch pack "B" friction plates
25%
Low transmission fluid level or degraded fluid causing insufficient clutch apply pressure
20%
Faulty clutch apply solenoid or pressure control solenoid for clutch B circuit
15%
Leaking clutch piston seals or o-rings in clutch B assembly
5%
Valve body wear or stuck valves reducing hydraulic pressure to clutch B
Diagnostic Steps
1
Check transmission fluid level and condition — dark, burnt-smelling fluid indicates internal clutch damage.
2
Monitor live data for clutch B slip percentage, line pressure, and solenoid commanded duty cycles during normal driving.
3
Perform a line pressure test at the transmission to verify the pump and pressure regulator are operating within specification.
4
Command the clutch B solenoid on/off with a scan tool to verify proper solenoid operation and response.
5
If fluid and solenoids test normal, internal transmission inspection or teardown is required to evaluate clutch pack B.
Estimated Repair Cost
$300 - $3,500
Parts + labor, varies by vehicle and location
The PCM/TCM has detected excessive slippage in transmission clutch pack "B." This means the clutch is not holding properly under load, causing RPM flares during shifts or a loss of power transfer. This is typically a mechanical or hydraulic issue within the transmission, though low fluid or a soleno...
The most common cause of P081E (Excessive Clutch "B" Slippage) is: Worn or burnt clutch pack "B" friction plates
Typical repair costs for P081E range from $300 to $3,500, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Excessive clutch slippage generates heat that can cause cascading transmission damage. The vehicle may experience delayed engagement, harsh shifts, or loss of a gear. Minimize driving and avoid heavy loads or towing. Professional repair is strongly recommended.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P081E to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Powertrain
System
Transmission Control System
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
