Code result
P0E4B
Hybrid/EV Battery Pack Voltage Sense F Circuit Low
High severity
What it means
The ECM detects a low fault on the hybrid/ev battery pack voltage sense f circuit. Reading cannot be used reliably for control.
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
Signal wire shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Internal sensor short
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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