AutoCodes – Generic – P2556

P2556 Code - Engine Coolant Level Sensor/Switch Circuit

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: P2556 indicates Engine Coolant Level Sensor/Switch Circuit.
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 19,378

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
FAQs
Comments
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Code P2556 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 P2556 - Engine Coolant Level Sensor/Switch Circuit - AutoCodes.com — P2556 Code - Engine Coolant Level Sensor/Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P2556?

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 P2556?

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 P2556 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 P2556 code?

Need more information on how to fix the P2556 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2556 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2556 Dodge — Engine Coolant Level Sensor/Switch Circuit

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.

Frequently Asked Questions about P2556 Code

1. What are common symptoms of OBDII code P2556 related to the Engine Coolant Level Sensor/Switch Circuit?

- Common symptoms include illuminated Check Engine light, engine overheating, and coolant leaks.

2. What are the possible causes of OBDII code P2556?

- Possible causes include a faulty engine coolant level sensor, damaged wiring or connectors, low coolant level, or a malfunctioning engine control module (ECM).

3. How can I diagnose the issue causing OBDII code P2556?

- Diagnose the issue by checking the coolant level, inspecting the sensor and its wiring for damage, and using a multimeter to test the sensor's resistance and continuity.

4. What should I do if my vehicle shows OBDII code P2556?

- If your vehicle shows this code, first check the coolant level and top it up if needed. Then, inspect the sensor and its connections for any issues.

5. Can I continue to drive my vehicle with OBDII code P2556?

- It is not recommended to drive your vehicle with this code as it can lead to engine overheating and potential damage. Address the issue promptly.

6. How do I repair OBDII code P2556 related to the Engine Coolant Level Sensor/Switch Circuit?

- Repair involves replacing a faulty coolant level sensor, repairing damaged wiring or connectors, and ensuring the coolant level is at the correct level.

7. Is it safe to reset the Check Engine light after fixing OBDII code P2556?

- Yes, it is safe to reset the Check Engine light after fixing the issue causing OBDII code P2556. Monitor the vehicle for any reoccurrence of the code.

8. Can a DIY enthusiast fix OBDII code P2556 themselves?

- DIY enthusiasts with automotive repair experience and the necessary tools can likely diagnose and fix OBDII code P2556 related to the Engine Coolant Level Sensor/Switch Circuit.

9. Are there any preventive maintenance tips to avoid OBDII code P2556 in the future?

- Regularly check coolant levels, inspect the sensor and its connections during routine maintenance, and address any coolant leaks promptly to prevent OBDII code P2556.

10. How long does it typically take to repair OBDII code P2556?

- The repair time for OBDII code P2556 can vary depending on the exact cause and the repair process needed. In general, it may take a few hours to complete the repair.