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TuningBot DTC Database · v4.37.15

P2A86 Alternative Fuel Pump B Compression Stroke Valve Control Circuit High

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainFuelOBD2

What P2A86 means

P2A86
Alternative Fuel Pump B Compression Stroke Valve Control Circuit High Generic · fuel Data confidence 65%

The control module detected that the signal in the Alternative Fuel Pump B Compression Stroke Valve Control circuit stayed above the expected operating range.

Related and nearby codes

How to read P2A86

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

A86

Specific fault index within the subsystem.

Frequently asked questions about P2A86

What does P2A86 mean?

Alternative Fuel Pump B Compression Stroke Valve Control Circuit High. The control module detected that the signal in the Alternative Fuel Pump B Compression Stroke Valve Control circuit stayed above the expected operating range.

Is P2A86 generic or manufacturer-specific?

P2A86 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2A86 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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