Code result
P271A
Park Pawl Position Sensor A Circuit Low
High severity
What it means
The position sensor that confirms the park pawl A engagement state reads below the lower diagnostic threshold. Without confirmed park engagement the shift-by-wire controller cannot release the brake hold.
Is it safe to drive?
No — stop driving
This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.
Most likely causes
Internal short in sensor element
highOne of the most commonly reported causes for this code — check this first.
Signal wire shorted to ground
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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