Code result
P0A29
Hybrid/EV Battery Power Off Circuit High
High severity
What it means
Voltage on the hybrid battery power-off circuit is high the expected window. Safe HV disconnect signal 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
Wire shorted to B+
highOne of the most commonly reported causes for this code — check this first.
Pull-down resistor open
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
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