AutoCodes – Generic – P2557

P2557 Code - Engine Coolant Level Sensor/Switch Circuit Range/Performance

Quick Answer

The Engine Control Module (ECM) monitors the Engine Coolant Level Sensor/Switch signal. Common causes include Faulty Engine Coolant Level Sensor/Switch, Engine Coolant Level Sensor/Switch harness is open or shorted, Engine Coolant Level Sensor/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: P2557 indicates Engine Coolant Level Sensor/Switch Circuit Range/Performance.
Common causes: Common causes include Faulty Engine Coolant Level Sensor/Switch, Engine Coolant Level Sensor/Switch harness is open or shorted, Engine Coolant Level Sensor/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.

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Code Popularity 9,210

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 18, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2557 Description

The Engine Control Module (ECM) monitors the Engine Coolant Level Sensor/Switch signal. The PCM sets the OBDII code is the Engine Coolant Level Sensor/Switch signal is out of factory specifications.

OBDII Code P2557 - Engine Coolant Level Sensor/Switch Circuit Range/Performance - AutoCodes.com — P2557 Code - Engine Coolant Level Sensor/Switch Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2557?

Faulty Engine Coolant Level Sensor/Switch
Engine Coolant Level Sensor/Switch harness is open or shorted
Engine Coolant Level Sensor/Switch circuit poor electrical connection

How to Fix the DTC P2557?

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 P2557 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 P2557 code?

Need more information on how to fix the P2557 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P2557 Dodge — Engine Coolant Level Sensor/Switch Circuit Range/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.