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P0CA4
Hybrid/EV Battery Charging Voltage High
Generic · hybrid
Data confidence
65%
The control module detected that the Hybrid/EV Battery Charging voltage stayed above the expected range.
TuningBot DTC Database · v4.37.15
P0CA4 Hybrid/EV Battery Charging Voltage High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0CA4 means
Related and nearby codes
How to read P0CA4
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
CA4
Specific fault index within the subsystem.
Frequently asked questions about P0CA4
What does P0CA4 mean?
Hybrid/EV Battery Charging Voltage High. The control module detected that the Hybrid/EV Battery Charging voltage stayed above the expected range.
Is P0CA4 generic or manufacturer-specific?
P0CA4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0CA4 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic