A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Engine Control Unit Volkswagen Bosch MED9.1 1Q0907115E 0261S02511
Vendors's code: 0261S02511
Product code: 0261S02511
Barcode:
Code 39:
ISBN:
€569.11
Price
€569.11
€700.00
Price
€700.00
Ask about the product
Engine Control Unit Volkswagen Bosch MED9.1 1Q0907115E 0261S02511
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Looking for ECU 1Q0907115E with Bosch number 0261S02511?
We have a used, working Bosch MED9.1 engine control unit with VW number 1Q0907115E (Bosch on the label: 0 261 S02 511). This listing has no options to choose from – we confirm the preparation status before purchase.
Engine Control Unit Volkswagen Bosch MED9.1 1Q0907115E 0261S02511
The number 1Q0907115E belongs to a Bosch engine control unit from the MED9.1 family – the Motronic for direct-injection petrol engines. The unit calculates the fuel quantity and ignition advance and controls the electronic throttle. As we do not specify a particular Volkswagen model, matching is based solely on the numbers.
Numbers to check
- 1Q0907115E – VW part number
- 0261S02511 – Bosch number (0 261 S02 511 on the label)
- MED9.1 – Bosch family
The final letter E identifies the version of this unit. A 1Q0907115 ECU with a different letter may have different software, so always compare the complete number. If the label is illegible, the VW number can usually be read with a diagnostic tool in the engine unit identification.
Possible failure symptoms
- no start despite a working power supply, fuel and starter motor,
- engine warning light permanently on and limp mode,
- jerking or rough idling with no ignition fault,
- the unit does not respond to the diagnostic tool.
Start by checking the wiring, connectors and earths – a wiring fault often mimics an ECU failure. It is also worth reading the fault memory in the other units.
ECU preparation status
We offer this 1Q0907115E ECU without any options to choose from. We do not describe the unlocking process here – we confirm the condition of the unit and what will need to be done after fitting individually before purchase.
Get in touch before placing your order and we will explain the details. You will find general information on ECU preparation on the engine control unit variants page.
Questions and answers
| Is the ECU locked or unlocked? |
|---|
| There is no choice of version with this listing – we confirm the preparation status and the work required after fitting before purchase. |
| What is the number 0261S02511? |
| It is the Bosch manufacturer number for the same unit that Volkswagen identifies as 1Q0907115E. |
| What about condition and warranty? |
| The ECU is used, working and in good condition. You will find the warranty period in the product features table. |
Before you buy, send the numbers from your ECU to contact@auto24parts.com – we will check compatibility.
