Code result
P268B
High Pressure Fuel Pump Calibration Not Learned/Programmed
Moderate severity
What it means
After high-pressure pump replacement the engine controller did not receive the pump-specific calibration data. Rail pressure regulation runs from default values.
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
Pump calibration codes not entered after replacement
highOne of the most commonly reported causes for this code — check this first.
Programming session aborted before completion
mediumA plausible cause — test and verify before replacing parts.
Related help
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