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.
Intake Manifold Flap Actuator Audi A4 Siemens VDO 059129086M A2C53308513 1045475S01
Vendors's code: 059129086M
Product code: A2C53308513
Barcode:
Code 39:
ISBN:
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Does the 059129086M intake manifold flap actuator fit your car?
This is a used, working Siemens VDO intake manifold flap actuator with part numbers 059129086M, A2C53308513 and 1045475S01, from an Audi A4 according to the product data. To confirm the fit, compare the number with the label on the actuator in your car.
Intake Manifold Flap Actuator Audi A4 Siemens VDO 059129086M A2C53308513 1045475S01
The Siemens VDO 059129086M actuator moves the flaps inside the intake manifold, while the engine control unit decides their position. It is a different part from a throttle body – they are not interchangeable.
Part numbers to compare
- 059129086M – also printed as 059 129 086 M
- A2C53308513
- 1045475S01 – also printed as 10 454 75 S01
The label on the actuator in your car should show the number 059129086M, A2C53308513 or 1045475S01. The car model alone (Audi A4) is not enough – different actuator versions were used in the same cars.
Symptoms of a faulty actuator
- engine warning light and an intake manifold flap fault code in the engine control unit,
- weaker engine response at low revs,
- seized flaps – it is worth checking the manifold too when replacing the actuator.
Frequently asked questions
| How do I check that the 059129086M actuator fits my car? |
|---|
| Compare the number 059129086M, A2C53308513 or 1045475S01 with the label of the actuator fitted to your car. |
| Is this a throttle body? |
| No. It is the actuator (motor) for the intake manifold flaps. Throttle bodies are in a separate category of the shop. |
| What condition is this actuator in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Not sure if this actuator fits? Send us a photo of the label on your part and we will check compatibility before shipping.