Code result
P26FD
A/C Compressor Internal Control Module Performance
Moderate severity
What it means
The internal control module of an electrically driven A/C compressor (typical on hybrid and BEV vehicles) reports an internal performance fault. Compressor capacity may be reduced or shut down.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Internal fault in compressor inverter electronics
highOne of the most commonly reported causes for this code — check this first.
Software error in compressor control logic
mediumA plausible cause — test and verify before replacing parts.
Module software outdated, reflash may resolve
lowLess common, but worth ruling out after the more likely causes.
Related help
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