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TuningBot DTC Database · v4.37.15

P1A9A Stop and start : Overvoltage of the electrical network

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:PSA

PSA

1 interpretation
P1A9A
Stop and start : Overvoltage of the electrical network PSA · engine Data confidence 72%

The control module detected the fault condition "Overvoltage of the electrical network" for the Stop and start. 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.

Applies to Peugeot Continental SID 807 injection ECU (DV6C 1.6 HDi)

Related and nearby codes

How to read P1A9A

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

A9A

Specific fault index within the subsystem.

Frequently asked questions about P1A9A

What does P1A9A mean?

Stop and start : Overvoltage of the electrical network. The control module detected the fault condition "Overvoltage of the electrical network" for the Stop and start. 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 P1A9A generic or manufacturer-specific?

P1A9A 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 P1A9A 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

ECU tuningStage 1 dyno results for PSA engines See the results →

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