P2518 - OBD II Trouble Code

Our automotive experts have put together the following information about the P2518 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P2518 code.

OBD II Fault Code

• OBD II P2518

OBD-II Code A/C may not operate is defined as a A/C Refrigerant Pressure Sensor "B" Circuit High

The Hybrid Powertrain Control Module uses multiple sensors in the A/C System to monitor A/C System Operation. The Hybrid Powertrain Control Module compares readings from these sensors to each other when the A/C System is not operating. If one of the sensors does not match the other sensors, code P2158 will set.The A/C System may be disabled.

A/C may not operate Symptoms

• A/C may not operate

Common Problems That Trigger the P2518 Code

• A/C pressure sensor failure
• High voltage powertrain control module failure
• Wiring issue