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P2516 Severity
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
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 P2156 will set.The A/C System may be disabled.
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OBD-II Code A/C may not operate is defined as a A/C Refrigerant Pressure Sensor "B" Circuit Range/Performance
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 P2156 will set.The A/C System may be disabled.