OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P000E

Fuel Volume Regulator Control Exceeded Learning Limit

The ECU's adaptive correction of fuel volume regulator A has reached its learning limit. Indicates a long-term drift between commanded and actual rail pressure that could no longer be compensated.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 0E

Possible causes

  • HP pump worn out high
  • Fuel filter clogged, restricted supply medium
  • Internal leak (injector or rail) medium

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 200–2000 €
  • Estimated time: 1–6 h
  • Component: high pressure fuel pump
  • Component: fuel volume regulator
  • Component: fuel filter
  • Component: fuel rail pressure sensor
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required
  • limp mode possible

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication