OBD-II code · Powertrain (generic, extended)
P2515 A/C Refrigerant Pressure Sensor B Circuit
General electrical fault in the second A/C refrigerant pressure sensor circuit. Sensor B usually monitors the low-side or compressor-suction pressure (in addition to high-side sensor A). The ECM cannot read a plausible value and disables variable compressor control to avoid evaporator freeze-up or overpressure.
Is it safe to drive with P2515?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen or shorted wiring to the sensor
- PossibleFailed sensor element
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.4–1.5 h
- Emissions test
- Usually unaffected
- Parts involved
- AC Pressure Sensor B, Sensor Wiring
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.