The control module detected an interruption (open circuit) in the Regeneration Control Switch circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.14
P25BA Regeneration Control Switch Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P25BA means
Related and nearby codes
How to read P25BA
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P25BA
What does P25BA mean?
Regeneration Control Switch Circuit/Open. The control module detected an interruption (open circuit) in the Regeneration Control Switch circuit, so the expected electrical continuity was not present.
Is P25BA generic or manufacturer-specific?
P25BA is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P25BA 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
