P2518 Dodge Code - Air Condition Refrigerant Pressure Sensor 'B' Circuit High
Quick Answer
The Powertrain Control Module (PCM) monitors the refrigerant pressure through the Air Condition (A/C) Pressure Sensor. Common causes include Low refrigerant, Too much refrigerant, Faulty Low Side Pressure Sensor. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P2518 Dodge indicates Air Condition Refrigerant Pressure Sensor 'B' Circuit High.
- Common causes
- Common causes include Low refrigerant, Too much refrigerant, Faulty Low Side Pressure Sensor.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code P2518 Dodge Description
What are the Possible Causes of the DTC P2518 Dodge?
- Low refrigerant
- Too much refrigerant
- Faulty Low Side Pressure Sensor
- Low Side Pressure Sensor harness is open or shorted
- Low Side Pressure Sensor circuit poor electrical connection
How to Fix the DTC P2518 Dodge?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2518 Dodge 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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Frequently Asked Questions about P2518 Dodge Code
What does the OBDII code P2518 mean for a Dodge vehicle?
P2518 indicates an issue with the Air Conditioning Refrigerant Pressure Sensor 'B' Circuit, specifically that it is reading a voltage higher than expected.
What are the common symptoms of P2518 in a Dodge?
Symptoms may include malfunctioning air conditioning, the A/C compressor not engaging, reduced cooling performance, and the illumination of the check engine light.
What causes the P2518 code to appear?
Common causes include a faulty refrigerant pressure sensor, damaged or corroded wiring or connectors, high refrigerant pressure, or issues with the powertrain control module (PCM).
How can I diagnose the P2518 code in my Dodge?
Start by inspecting the refrigerant pressure sensor, wiring, and connectors for damage or corrosion. Use a multimeter to check voltage and continuity, and verify refrigerant pressure levels.
Can I drive my Dodge with the P2518 code?
While the vehicle may still be drivable, the air conditioning system may not work properly, and ignoring the issue could lead to further damage to the A/C system.
How do I fix the P2518 code on a Dodge?
Repairs may include replacing the refrigerant pressure sensor, repairing or replacing damaged wiring or connectors, or addressing excessive refrigerant pressure.
How do I reset the P2518 code after repairs?
Use an OBDII scanner to clear the code after completing the necessary repairs. If the issue is resolved, the code should not return.
Can overcharged refrigerant cause the P2518 code?
Yes, excessive refrigerant pressure can trigger the P2518 code. Ensure the refrigerant is at the manufacturer’s recommended level.
How much does it cost to fix the P2518 code on a Dodge?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the sensor, wiring, or refrigerant levels.
Is a faulty PCM a common cause of the P2518 code?
A faulty PCM is a less common cause but should be considered if other potential issues, like the sensor or wiring, have been ruled out.
Discuss the causes and fixes for P2518 Dodge OBDII Code
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