Powertrain
Definition only
Lights the check engine lamp
P264D: A Rocker Arm Actuator Position Sensor Circuit High Bank 1
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P264D mean?
The position sensor signal is above the upper diagnostic threshold. Common causes are an open sensor or a short to the 5 V reference.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Open sensor element
- Medium Signal wire shorted to the 5 V reference
- Low Connector pins corroded - high contact resistance
Likelihood is a general estimate across vehicles; your make and model may differ.
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P264D in the community
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