How to match the 0281014174 / 4L0910401G ECU to your Audi Q7 3.0 TDI
0281014174 (Audi 4L0910401G / 4L0907401A) is a Bosch EDC17CP04 ECU from the Audi Q7 4L 3.0 TDI V6. We ship it as IMMO OFF Plug & Play after a test in a car. On EDC17, however, the IMMO OFF version behaves differently from older units – see the installation section. Warranty: 6 months.
Label markings
- Bosch number: 0281014174 (0 281 014 174)
- Audi number: 4L0910401G / 4L0907401A (4L0 910 401 G / 4L0 907 401 A)
- ECU type: Bosch EDC17CP04
Vehicle compatibility
This unit fits an Audi Q7 4L 3.0 TDI that left the factory with ECU 0281014174 / 4L0910401G. Before ordering, compare both numbers with the sticker on the housing – your model missing from the list rules nothing out, but a different number, e.g. 0281015868, means different software. EDC16CP34 units from earlier Q7s (e.g. 0281013691) are a separate group.
Preparation and installation
The 0281014174 unit is prepared as IMMO OFF and the engine starts without programming. On EDC17, however, an immobiliser fault remains stored and cannot be cleared. In a Q7 with the large-display instrument cluster the message SAFE appears; with the smaller display there is no message. If you want the car to run without this fault, have a workshop carry out an immobiliser adaptation or order data cloning from your old ECU (included in the price). Paid options: DPF OFF, EGR OFF, FLAPS OFF, chip tuning.
Symptoms of a failed ECU in the Q7
In the Q7 3.0 TDI the ECU sits under the scuttle panel; when the drains block, water collects there. The most common symptoms:
- the engine cranks but does not start
- no communication with the ECU during diagnostics
- CAN bus faults and errors in several modules at once
Before buying, rule out the power supply, wiring and battery, as they cause similar symptoms. Read more here: water-damaged EDC17 ECU in the Audi Q7 3.0 TDI.
Other Audi Q7 3.0 TDI ECUs in stock
Full range: Audi engine ECUs · Bosch ECUs
Frequently asked questions about the 0281014174 / 4L0910401G ECU
How can I get rid of the SAFE message?
A workshop can carry out an immobiliser adaptation, or you can order data cloning from your old ECU – included in the price, after you send us the unit or its files.
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Does the 0281014174 need programming?
No – the IMMO OFF version starts the engine without programming; only the immobiliser fault described above remains.
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What extra options can I order with the 0281014174?
Paid options: DPF OFF, EGR OFF, FLAPS OFF and chip tuning.
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Andre