Find the firmware identifiers (hardware, software and update numbers), available tuning options and how to get the original or remapped file.
✓ Tuning via file (flash)
✓ Add-on module available 23 firmware versions
Vehicle data
| Brand | AUDI |
| Model | A4 (B9/8W) |
| Engine | 2.0L 16V TDI 140kW/188HP EDC17C74 |
| Stock power | 190 CV / 14 kW |
| Displacement | 2000 cc |
| Fuel | Diesel sovralimentato |
| Vehicle type | Auto |
ECU
| Manufacturer | BOSCH |
| Model | EDC17C74 |
| Memory / EPROM | MICRO ST TRICORE - 32768 - 400000 |
Available tuning operations / options:
- Boost pressure limiter
- Boost pressure limiter 2
- Boost limiter correction for APS/BPS sensor
- Boost pressure limiter for ECT sensor
- Protection for cylinder head overheating
- Engine load - ceiling
- Maximum torque limitation at clutch
- Regeneration limit for DPF
- EGR valve control
- EGR valve control 2
- Max accepted exhaust gas temperature value before turbine
- Max accepted exhaust gas temperature value before turbine 2
- Protection for engine overheating
- Protection for engine overheating 2
- Basic torque management at engine cranking
- Basic torque management at engine cranking 2
- Injection period
- Injection period 2
- Injection period 3
- Injection period 4
- Injection period 5
- Injection period 6
- Injection period - correction
- Maximum injection period
- Injection opening time related to inj. pressure
- Initialization values over pressure control valve
- Injection 1
- J
- Boost pressure deviation limits for overboost detection
- Boost pressure deviation limits for overboost detection 2
- Boost pressure deviation limit for underboost detection
- Boost pressure deviation limit for underboost detection 2
- Torque limiter
- Smoke limiter
- Lambda value of the smoke limitation
- Lambda value of the smoke limitation 2
- Speed limiter
- Speed limiter 2
- Maximum indicated torque for monitoring
- Maximum engine torque at crank shaft
- Protection for air load overheating
- Protection for exhaust gas temperature before turbine
- Protection for exhaust gas temperature before turbine 2
- Protection for fuel overheating
- Protection for fuel overheating 2
- Protection for oil overheating
- Pressure control map over pressure regulating valve
- Specific injection pressure limiter
- Specific injection pressure limiter 2
- Specific injection pressure limiter 3
- Specific injection pressure limiter for EFT sensor
- Specific injection pressure limiter for EFT sensor 2
- Relative permissible torque from the pedal position in torque limitation
- Maximum pressure ratio limit depending on temperature
- Specific injection pressure
- Specific injection pressure 2
- Specific injection pressure 3
- Specific injection pressure 4
- Q
- Air mass flow
- Driver torque request
- Driver torque request 2
- Driver torque request for reverse gear
- CAT downstream temperature sensor characterization
- CAT upstream temperature sensor characterization
- DPF downstream temperature sensor characterization
- Turbo upstream temperature sensor characterization
- Setpoint maximum turbocharger speed
- Overboost timing
- Overboost timing 2
- Overboost timing 3
- Overboost timing 4
- Turbocharger volumetric efficiency
Firmware identifiers (23)
| Hardware No. | Software No. (chip) | Version | Update software | ECU |
|---|
| — | — |
1.94.019 | 04L906026GC 1977 |
BOSCH EDC17C74 |
| — | — |
1.94.018 | 04L906027BC 7154 |
BOSCH EDC17C74 |
| — | — |
1.94.014 | 04L906026GC 3397 |
BOSCH EDC17C74 |
| — | — |
1.94.035 | 04L906026AD 1970 |
BOSCH EDC17C74 |
| — | — |
1.94.023 | 04L906026AE 3477 |
BOSCH EDC17C74 |
| — | — |
1.94.019 | 04L906026AC 3395 |
BOSCH EDC17C74 |
| — | — |
1.94.007 | 04L906026AF 3862 |
BOSCH EDC17C74 |
| — | — |
1.94.012 | 04L906026PP 7770 |
BOSCH EDC17C74 |
| — | — |
1.94.017 | 04L906026AD 9970 |
BOSCH EDC17C74 |
| — | — |
1.94.018 | 04L906026QA 6772 |
BOSCH EDC17C74 |
| — | — |
1.94.022 | 04L906026AG 1969 |
BOSCH EDC17C74 |
| — | — |
1.94.017 | 04L906026AC 1976 |
BOSCH EDC17C74 |
| — | — |
1.94.083 | 04L906026QA 6344 |
BOSCH EDC17C74 |
| — | — |
1.94.024 | 04L906026AD 9865 |
BOSCH EDC17C74 |
| — | — |
1.94.027 | 04L906026PP 6277 |
BOSCH EDC17C74 |
| — | — |
1.94.018 | 04L906026CS 1954 |
BOSCH EDC17C74 |
| — | — |
1.94.017 | 04L906026PP 6777 |
BOSCH EDC17C74 |
| — | — |
1.94.021 | 04L906026AG 9970 |
BOSCH EDC17C74 |
| — | — |
1.94.022 | 04L906026AH 3501 |
BOSCH EDC17C74 |
| — | — |
1.94.013 | 04L906026GD 1998 |
BOSCH EDC17C74 |
| — | — |
1.94.017 | 04L906027BD 7153 |
BOSCH EDC17C74 |
| — | — |
1.94.003 | 04L906027BC 7778 |
BOSCH EDC17C74 |
| — | — |
1.94.002 | 04L906027BB 7777 |
BOSCH EDC17C74 |
Vehicle technical notes
OBD located to the left of the driver's side, accessible without removing anything to the left of the pedalboard.
ECU notes
MICRO Infineon Tricore TC1793 This setting file can be used with the New Genius, the protocol supports identification and writing only. IF the matching original file is already present in databank it can be used for the modification and the writing operation. To work on this ECU you can use NewTrasdata
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