ECU 074906018BL / 0281012135 for the VW T4 / LT 2.5 TDI
074906018BL (0281012135) is a Bosch engine ECU for the VW T4 / LT 2.5 TDI. We sell it as an IMMO OFF Plug & Play version – after fitting it does not have to be programmed to the car's immobiliser. Every unit is checked before dispatch; warranty: 6 months.
Label markings
- OEM number: 074906018BL (074 906 018 BL)
- Bosch number: 0281012135 (0 281 012 135)
- ECU type: Bosch
Vehicle compatibility
Before ordering, check two numbers on the label: 074906018BL and 0281012135. Your version missing from the description rules nothing out, but a different number, e.g. 074906018N (0281010078), means a different version of the ECU. We list this unit for: VW T4 / LT 2.5 TDI.
Installation and preparation
The IMMO OFF Plug & Play version needs no programming or immobiliser adaptation – plug the ECU in and drive. EGR OFF and chip tuning (+15% power) are available for an extra charge.
Symptoms of a failed ECU
A failed ECU can show different symptoms, for example:
- the engine does not start
- hard starting on a cold or warm engine
- rough engine running
- recurring injection errors
Before buying an ECU, rule out the power supply, earth and wiring – they can cause the same symptoms.
Other VW T4 / LT engine ECUs in stock
Full range: Volkswagen engine ECUs · Bosch ECUs
Frequently asked questions about the 074906018BL / 0281012135 ECU
Does the 074906018BL ECU need programming?
No. It is an IMMO OFF Plug & Play version – after fitting you do not program it to the immobiliser.
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How do I check that 0281012135 fits my car?
Compare OEM number 074906018BL and Bosch number 0281012135 with the label on your old ECU. If both match, the ECU fits.
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Is the car model enough to choose the ECU?
No. The label numbers 074906018BL and 0281012135 decide. A different number means a different version of the ECU.
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