Code result
P0B34
High Voltage Service Disconnect Circuit Performance
High severity
What it means
The high-voltage service disconnect circuit reports a circuit performance condition. Safe HV disconnection state cannot be verified.
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
Switch contacts aged
highOne of the most commonly reported causes for this code — check this first.
High-resistance contact
mediumA plausible cause — test and verify before replacing parts.
Related help
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