P2559 Code - Engine Coolant Level Sensor/Switch Circuit High
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
- P2559 indicates Engine Coolant Level Sensor/Switch Circuit High.
- 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.
Code P2559 Description
What are the Possible Causes of the DTC P2559?
- 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 P2559?
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 P2559 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.
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Information for Specific Makes
- P2559 Dodge — Engine Coolant Level Sensor/Switch Circuit High
Frequently Asked Questions about P2559 Code
What does the OBDII code P2559 mean?
P2559 indicates a high voltage issue in the Engine Coolant Level Sensor/Switch Circuit, suggesting a potential problem with the sensor or its associated wiring.
What are common symptoms of the P2559 code?
Symptoms may include the check engine light turning on, inaccurate coolant level readings, or overheating if the coolant is actually low.
What causes the P2559 code to appear?
Common causes include a faulty engine coolant level sensor, damaged or corroded wiring/connectors, or a malfunction in the vehicle’s PCM (Powertrain Control Module).
Can I drive my car with the P2559 code?
While it’s possible to drive, it’s not recommended as it may lead to engine overheating if the coolant level is truly low or if the sensor issue isn’t addressed.
How do I diagnose the P2559 code?
Diagnosis involves inspecting the sensor, checking for damaged wiring or connectors, and testing the circuit voltage with a multimeter to confirm the high voltage condition.
How can I fix the P2559 code?
Repairs may include replacing the coolant level sensor, repairing damaged wiring or connectors, or updating/reprogramming the PCM if necessary.
How much does it cost to fix the P2559 code?
Costs vary depending on the issue, but replacing a coolant level sensor typically costs $50–$150 for parts and labor combined.
Can a dirty coolant reservoir trigger the P2559 code?
Yes, a dirty or contaminated coolant reservoir can interfere with the sensor’s performance, potentially triggering the code.
Will clearing the P2559 code solve the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be addressed to prevent the code from returning.
Is the P2559 code related to low coolant levels?
Not directly. The code indicates a sensor circuit issue, but it’s important to verify that the coolant level is adequate to avoid engine damage.
Discuss the causes and fixes for P2559 OBDII Code
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