Code Definition

P0A96 — Hybrid battery pack cooling fan 2 circuit malfunction

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0A96

P0A96 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0A96 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0A96 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

On hybrid and electric vehicles the high voltage battery pack is kept within its temperature range by one or more cooling fans, and Cooling Fan 2 is one of those fans drawing air through or over the battery pack. DTC P0A96 sets when the hybrid or EV control module detects an electrical fault in the control or feedback circuit for hybrid battery cooling fan 2, such as an open, a short to ground or power, or the fan not responding to commands. The module continuously monitors the fan power, ground, and control signal, and flags this code when the circuit does not behave as expected. If battery c...

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