Powertrain
Definition only
Lights the check engine lamp
P262F: Sensor Reference Voltage G Circuit Range/Performance
Standardized SAE J2012 code · P26xx — Computer and output circuits
What does P262F mean?
The 5 V reference G voltage is within range but unstable or offset against expected. Loose ground or marginal regulator load.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- Medium High-resistance ground for the reference rail
- Medium One sensor draws excessive current and shifts the rail
- Low Sensor element aged beyond calibration window
Likelihood is a general estimate across vehicles; your make and model may differ.
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P262F in the community
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