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TuningBot DTC Database · v4.37.15

P1A86 Diagnostic Trouble Code (2 interpretations)

2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:HyundaiPSA

Hyundai

1 interpretation
P1A86
Inappropriate and low SOC Hyundai · engine Data confidence 62%

The control module detected a fault associated with the Inappropriate and low SOC circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

PSA

1 interpretation
P1A86
Reversible alternator : Temperature sensor fault PSA · battery Data confidence 72%

The control module detected the fault condition "Temperature 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 P1A86

P

Powertrain: engine, transmission and driveline systems.

1

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

A86

Specific fault index within the subsystem.

Frequently asked questions about P1A86

What does P1A86 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a fault associated with the Inappropriate and low SOC circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Is P1A86 generic or manufacturer-specific?

P1A86 is a manufacturer-specific code. In this database it is documented for: Hyundai, PSA. The same number can mean something different on other brands.

Can TuningBot remove P1A86 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

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