Powertrain
generic / SAE
P268B
High Pressure Fuel Pump Calibration Not Learned/Programmed
After high-pressure pump replacement the engine controller did not receive the pump-specific calibration data. Rail pressure regulation runs from default values.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 8B
Possible causes
- Pump calibration codes not entered after replacement high
- Programming session aborted before completion medium
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–300 €
- Estimated time: 0.5–1.5 h
- Component: high pressure pump
- Component: control module
- MIL / check engine light
Sources
References
sae:J2012