Code result
P262D
Sensor Reference Voltage G Circuit Low
Moderate severity
What it means
The 5 V reference G voltage is below the expected level. Usually a short to ground or excessive load from a downstream sensor pulling the rail down.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Reference wire shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Sensor on the rail shorted internally 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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