Reversible alternator : Power electronics fault - Alternator mode downgraded
PSA · battery
Data confidence72%
The control module detected the fault condition "Power electronics fault - Alternator mode downgraded" for the Reversible alternator. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
A94
Specific fault index within the subsystem.
Frequently asked questions about P1A94
What does P1A94 mean?
Reversible alternator : Power electronics fault - Alternator mode downgraded. The control module detected the fault condition "Power electronics fault - Alternator mode downgraded" for the Reversible alternator. Documented for the Continental SID 807 injection ECU (DV6C 1.6 HDi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.
Is P1A94 generic or manufacturer-specific?
P1A94 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove P1A94 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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