Code result

P2DBA

Battery Charging System B High Voltage Interlock Circuit High

High severity

What it means

The high-voltage interlock circuit of battery charging system B reports a circuit high condition. Safety interlock chain may be compromised.

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

  • Interlock signal interrupted

    high

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

  • Interlock connector not seated

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

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

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