BMW fault code
Code 420F32 · gsma02qz
Internal temperature sensor 4: Signal change too low
- Code (hex)
- 0x420F32
- Decimal
- 4329266
- Control unit
- EGS
- Software variant
- gsma02qz
gsma02qz is the control unit software variant shown by the scanner next to the code. The same code may be described differently in other variants.
Electronic transmission control
What BMWTeka has on this code
- fault description: setting and monitoring conditions, effects, service notes;
- which of the code titles applies to your vehicle;
- related components, wiring diagrams and repair documents for your model;
- Check Control messages on the dashboard, if the code triggers them.
Available after signing in. Registration is free.
BMWTeka is a free non-commercial site with BMW repair documentation and wiring diagrams — what is known as BMW TIS and WDS.