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P2C85
Hybrid/EV Battery Voltage External Isolation Fault
Generic · battery
Data confidence
65%
The control module registered the fault condition described as "Hybrid/EV Battery Voltage External Isolation Fault".
TuningBot DTC Database · v4.37.15
P2C85 Hybrid/EV Battery Voltage External Isolation Fault
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2C85 means
Related and nearby codes
How to read P2C85
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
C85
Specific fault index within the subsystem.
Frequently asked questions about P2C85
What does P2C85 mean?
Hybrid/EV Battery Voltage External Isolation Fault. The control module registered the fault condition described as "Hybrid/EV Battery Voltage External Isolation Fault".
Is P2C85 generic or manufacturer-specific?
P2C85 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2C85 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