00194 — Ignition key removal lock — implausible signal
Reference detail for fault code 00194 on the DQ250 DSG transmission family.
What 00194 indicates
The DQ250 transmission control unit stores 00194 when it detects the following condition: Ignition key removal lock — implausible signal. A manufacturer-specific code that relates to configuration, basic setting or data status rather than to one failed part. It often appears after a repair, a control unit replacement or software work. A stored code does not by itself prove that a part has failed. Before replacing anything, check the live data, wiring, connectors, power supply and fluid condition, and confirm the fault on the vehicle.
Symptoms
- Transmission warning light
- Emergency mode or restricted functions
- Shift quality not as expected after a repair
Possible causes
- Basic setting (adaptation) not performed or aborted
- Changed data or software status
- Signal problem from another system (e.g. the ignition lock)
Related components
Transmission control unit (TCU) · Basic setting procedure
| Fault code | 00194 |
|---|---|
| Transmission | DQ250 (6-speed wet DSG) |
| Factory code | 02E |
| Category | Manufacturer-specific code |
| Status | Documented — review advised |
This code is documented but not independently confirmed. Confirm it against the specific vehicle before ordering any part.
Have this code on your vehicle?
Send us the code and the vehicle details and we will confirm the correct unit or part by email.
Related pages for the DQ250
DQ250 repair
Symptoms, mechatronic issues and what repair involves for this family.
DQ250 mechatronics
Replacement mechatronic unit and exchange options for this family.
DQ250 parts
Selected parts most often involved in repair for this family.
DQ250 fault codes
Every documented code for this family in one table.
Have a fault code to check?
Send us the code and the vehicle details and we will confirm the correct unit or part by email.