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TuningBot DTC Database · v4.37.14

P04A0 Exhaust Pressure Control Valve B Range/Performance

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

P · PowertrainEmissionsOBD2

What P04A0 means

P04A0
Exhaust Pressure Control Valve B Range/Performance Generic · emissions Data confidence 65%

The control module judged the Exhaust Pressure Control Valve B behaviour implausible for the current operating conditions.

Related and nearby codes

How to read P04A0

P

Powertrain: engine, transmission and driveline systems.

0

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

4A0

Specific fault index within the subsystem.

Frequently asked questions about P04A0

What does P04A0 mean?

Exhaust Pressure Control Valve B Range/Performance. The control module judged the Exhaust Pressure Control Valve B behaviour implausible for the current operating conditions.

Is P04A0 generic or manufacturer-specific?

P04A0 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P04A0 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

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