OBD-II code · Powertrain (generic, extended)
P2E7D A/C Compressor Control Module Internal Temperature Sensor B Range/Performance
The ECM detects a range/performance 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 P2E7D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor characteristic drifted
- PossibleSensor mounting displaced
- Less likelySensor element aged beyond calibration window
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
- P2E7AHybrid/EV Electronics Coolant Pump C Overspeed
- P2E7BDrive Motor A Excitation Current Sensor Circuit
- P2E7CA/C Compressor Control Module Internal Temperature Sensor B Circuit
- P2E7EA/C Compressor Control Module Internal Temperature Sensor B Circuit High
- P2E7FA/C Compressor Control Module Internal Temperature Sensor B Circuit Low
- P2E80A/C Compressor Control Module Internal Temperature Sensor B Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.