OBD-II code · Powertrain (generic, extended)
P2E7C A/C Compressor Control Module Internal Temperature Sensor B Circuit
The ECM detects a circuit fault on the a/c compressor control module internal temperature sensor b. Reading cannot be used reliably for control.
Is it safe to drive with P2E7C?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor failed
- PossibleWiring or connector fault
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- AC Compressor Cm Internal Temp Sensor B, Wiring Harness, AC Compressor Module
Related codes
- P2E79Hybrid/EV Electronics Coolant Pump C Performance
- P2E7AHybrid/EV Electronics Coolant Pump C Overspeed
- P2E7BDrive Motor A Excitation Current Sensor Circuit
- P2E7DA/C Compressor Control Module Internal Temperature Sensor B Range/Performance
- P2E7EA/C Compressor Control Module Internal Temperature Sensor B Circuit High
- P2E7FA/C Compressor Control Module Internal Temperature Sensor B Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.