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

P2816

Pressure Control Solenoid H

A general fault in pressure control solenoid H. Detected via electrical resistance, response to commanded duty cycle, or downstream pressure measurement.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number8 / 16

Possible causes

  • Aged solenoid coil resistance drift high
  • Worn valve body bore around the solenoid medium

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 300–2500 €
  • Estimated time: 2–8 h
  • Component: pressure control solenoid h
  • Component: valve body
  • MIL / check engine light
  • 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