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

P075D

Shift Solenoid G Electrical

General electrical fault on the shift solenoid G control circuit — open coil, short to ground, short to battery voltage, or driver feedback outside the expected range. The TCM disables this solenoid and falls back to limp-home gear logic to protect the transmission.

SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number7 / 5D

Possible causes

  • Open solenoid coil high
  • Damaged wiring at the transmission case connector medium
  • ATF-soaked connector causing leakage path medium

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 200–1500 €
  • Estimated time: 1–5 h
  • Component: shift solenoid g
  • Component: tcm
  • Component: wiring harness
  • MIL / check engine light

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