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Code result

P0AD1

Hybrid/EV Battery Pack Cooling Fan 3 Stuck On

High severity

What it means

The HV battery pack cooling fan 3 reports a stuck on condition. Battery thermal management is impaired.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Relay contacts welded

    high

    One of the most commonly reported causes for this code — check this first.

  • Driver stuck on

    medium

    A plausible cause — test and verify before replacing parts.

  • Carbon or debris buildup preventing free movement

    low

    Less common, but worth ruling out after the more likely causes.

Related help

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