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TuningBot DTC Database · v4.37.14

P2C88 Hybrid/EV Battery Voltage System Isolation Warning

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

P · PowertrainBatteryOBD2

What P2C88 means

P2C88
Hybrid/EV Battery Voltage System Isolation Warning Generic · battery Data confidence 65%

The control module detected a fault associated with the Hybrid/EV Battery Voltage System Isolation Warning circuit or function; the stored code identifies the affected component rather than a single failure mode.

Related and nearby codes

How to read P2C88

P

Powertrain: engine, transmission and driveline systems.

2

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

C88

Specific fault index within the subsystem.

Frequently asked questions about P2C88

What does P2C88 mean?

Hybrid/EV Battery Voltage System Isolation Warning. The control module detected a fault associated with the Hybrid/EV Battery Voltage System Isolation Warning circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P2C88 generic or manufacturer-specific?

P2C88 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2C88 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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