Powertrain
generic / SAE
P26FD
A/C Compressor Internal Control Module Performance
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / FD
Possible causes
- Internal fault in compressor inverter electronics high
- Software error in compressor control logic medium
- Module software outdated, reflash may resolve low
Symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 800–3500 €
- Estimated time: 2–6 h
- Component: electric ac compressor
- Component: compressor inverter
- MIL / check engine light
Sources
References
sae:J2012