The control module detected the fault condition "Overvoltage of the power accumulator" for the Power storage battery or voltage retaining device. 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.
TuningBot DTC Database · v4.37.15
P1AA4 PSA - Power storage battery or voltage retaining device : Overvoltage of the power accumulator
Manufacturer-specific interpretation for PSA. All interpretations of P1AA4
What P1AA4 means
Related and nearby codes
How to read P1AA4
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1AA4
What does P1AA4 mean?
Power storage battery or voltage retaining device : Overvoltage of the power accumulator. The control module detected the fault condition "Overvoltage of the power accumulator" for the Power storage battery or voltage retaining device. 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 P1AA4 generic or manufacturer-specific?
P1AA4 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 P1AA4 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.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
