P0D71
A/C Compressor Control Module Internal Temperature Sensor A Performance
The ECM detects a performance fault on the a/c compressor control module internal temperature sensor a. Reading cannot be used reliably for control.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Sensor characteristic driftedCommon
- High-resistance contactPossible
Parts involved
- AC Compressor Cm Internal Temp Sensor A
- Wiring Harness
- AC Compressor Module
P0D71 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.