How to match the 0281014406 / 4L0910401R ECU to your Audi Q7 3.0 TDI
The Bosch EDC16CP34 with number 0281014406 is one of the versions fitted to the Audi Q7 3.0 TDI V6 (4L) – its label carries the Audi number 4L0910401R. We sell it as IMMO OFF Plug & Play, checked in a car; the warranty is 6 months.
Label markings
- Bosch number: 0281014406 (0 281 014 406)
- Audi number: 4L0910401R (4L0 910 401 R)
- ECU type: Bosch EDC16CP34
Vehicle compatibility
This unit fits an Audi Q7 4L 3.0 TDI that left the factory with ECU 0281014406 / 4L0910401R. 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. 0281013691, means different software. EDC17 units from later Q7s (e.g. 0281015868) are a separate group.
Preparation and installation
Installation comes down to plugging in the connectors: the IMMO OFF version needs no key coding or immobiliser adaptation and leaves no faults. If you prefer a clone of your own ECU, we make it at no extra cost once you send the unit or its files. For an extra charge we can also prepare DPF OFF, EGR OFF, FLAPS OFF or chip tuning.
Symptoms of a failed ECU in the Q7
A typical cause of failure in the Q7 is water from the scuttle area where the ECU is mounted. Signs of damage include:
- the engine cranks but does not start
- no communication with the ECU during diagnostics
- corrosion on the pins or the circuit board
These symptoms can also have another source (power supply, wiring, battery) – start with diagnostics. Details in the article: water damage to the Audi Q7 3.0 TDI ECU (EDC16CP34).
Other Audi Q7 3.0 TDI ECUs in stock
Full range: Audi engine ECUs · Bosch ECUs
Frequently asked questions about the 0281014406 / 4L0910401R ECU
Does the 0281014406 need programming after installation?
No. The unit is IMMO OFF Plug & Play – once connected, the engine starts without immobiliser or key programming.
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Will a SAFE message appear in a Q7 with 4L0910401R?
No. After fitting this EDC16CP34 unit in IMMO OFF version, no immobiliser fault remains.
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What extra options can I order with the 0281014406?
Paid options: DPF OFF, EGR OFF, FLAPS OFF and chip tuning.
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