Code result
P0A0B
High Voltage System Interlock Circuit A Performance
High severity
What it means
The high-voltage system interlock circuit A reports a performance 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 drifted
highOne of the most commonly reported causes for this code — check this first.
High-resistance contact in interlock chain
mediumA plausible cause — test and verify before replacing parts.
Related help
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