MechanicDB
Fault Family System: Powertrain (P-Codes) 4 SAE Codes

AC Clutch Control Circuit

Diagnostic & Technical Explanation
Code P2CFC (A/C Clutch Control Circuit) sets when the ECM detects an open circuit, out-of-range voltage, or a driver-overcurrent/over-temperature fault while engaging the A/C compressor's electromagnetic clutch. Causes are a worn clutch coil developing an internal short, a clutch air gap that has grown too wide from friction-disc wear, a corroded connector at the clutch coil, or a failed compressor clutch relay.

These 4 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 4 times.

Codes in this family (4)

CodeDefinitionRepair coverage
P2CFCA/C Clutch Control Circuit3 ranked fixes
P2CFDA/C Clutch Control Circuit Low3 ranked fixes
P2CFEA/C Clutch Control Circuit High3 ranked fixes
P2CFFA/C Clutch Control Circuit Driver Current/Temperature Too High3 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here: