P2856 Possible Causes
- High clutch and rear brake solenoid valve
- Control valve assembly
How to Fix Code P2856
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or service engine soon warning light)
P2856 Meaning
The clutch pressure control solenoid is controlled by signals from switches and sensors. Thus, the clutch pressure is adjusted to be appropriate for the engine load condition and the vehicle driving condition. It becomes possible to finely control the clutch hydraulic pressure with high precision, achieving a smoother shifting characteristic.