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TuningBot DTC Database · v4.37.14

P1A85 Reversible alternator : Rotor speed sensor fault

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

P · PowertrainBatteryOBD2
Brand pages:PSA

PSA

1 interpretation
P1A85
Reversible alternator : Rotor speed sensor fault PSA · battery Data confidence 72%

The control module detected the fault condition "Rotor speed sensor fault" 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.

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

Related and nearby codes

How to read P1A85

P

Powertrain: engine, transmission and driveline systems.

1

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

A85

Specific fault index within the subsystem.

Frequently asked questions about P1A85

What does P1A85 mean?

Reversible alternator : Rotor speed sensor fault. The control module detected the fault condition "Rotor speed sensor fault" 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 P1A85 generic or manufacturer-specific?

P1A85 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 P1A85 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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