AutoCodes – Generic – P2857

P2857 Code - Clutch 'A' Pressure Engagement Performance

Quick Answer

The clutch pressure control solenoid is controlled by the signals from the switches and sensors. Common causes include Low brake solenoid valve, Control valve assembly. 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: P2857 indicates Clutch 'A' Pressure Engagement Performance.
Common causes: Common causes include Low brake solenoid valve, Control valve assembly.
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.

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Code Popularity 16,164

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2857 Description

The clutch pressure control solenoid is controlled by the signals from the switches and sensors. Thus, the clutch pressure is adjusted to be appropriate to the engine load state and vehicle driving state. It becomes possible to finely control the clutch hydraulic pressure with high precision and a smoother shift change characteristic is attained.

OBDII Code P2857 - Clutch 'A' Pressure Engagement Performance - AutoCodes.com — P2857 Code - Clutch 'A' Pressure Engagement Performance

What does this mean?

What are the Possible Causes of the DTC P2857?

Low brake solenoid valve
Control valve assembly

How to Fix the DTC P2857?

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 P2857 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 P2857 code?

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Need Help with the Code?

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Information for Specific Makes

P2857 Nissan — Clutch 'A' Pressure Engagement Performance

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.