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.
Throttle Body Audi Seat Volkswagen Siemens A2C53099815 03G128063C
Vendors's code: A2C53099815
Product code: 03G128063C
Barcode:
Code 39:
ISBN:
€101.63
Price
€101.63
€125.00
Price
€125.00
Ask about the product
Throttle Body Audi Seat Volkswagen Siemens A2C53099815 03G128063C
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Does the Siemens A2C53099815 throttle body fit your car?
This is a used, working Siemens throttle body with part numbers A2C53099815 and 03G128063C, for: Audi, Seat, Volkswagen (engines: 1.9 / 2.0 TDI), 1999–2006. To confirm the fit, compare the number with the label on the throttle body in your car.
Throttle Body Siemens A2C53099815 03G128063C – Audi, Seat, Volkswagen
In a diesel engine the A2C53099815 throttle body does not control power – it closes the intake when the engine is switched off to reduce shaking, and in many engines it also assists exhaust gas recirculation (EGR) control. According to the product data, it fits: Audi, Seat, Volkswagen; engines: 1.9 / 2.0 TDI; production years: 1999–2006.
Part numbers to compare
- A2C53099815
- 03G128063C – also printed as 03G 128 063 C
The label on the throttle body fitted to your car should show the number A2C53099815 or 03G128063C. The make alone (Audi, Seat, Volkswagen) is not enough to choose the part – throttle bodies with different numbers were fitted to cars of this make.
Symptoms of a worn or faulty throttle body
Typical symptoms of throttle body problems in Audi, Seat or Volkswagen cars:
- soot from the EGR system on the flap – sticking flap, fault codes stored in the engine control unit,
- failed motor or position sensor – engine warning light, limp mode,
- flap not closing fully – the engine may shake when switched off.
If cleaning does not help and diagnostics point to a throttle body or position sensor fault, replacement with a part carrying the same number is usually required. After fitting, many cars need an adaptation according to the vehicle manufacturer's procedure.
Questions and answers
| How do I check that the A2C53099815 throttle body fits my car? |
|---|
| Compare the number A2C53099815 or 03G128063C with the label of the throttle body fitted to your car (Audi, Seat, Volkswagen). |
| Which engines does the A2C53099815 throttle body fit? |
| According to the product data, it fits 1.9 / 2.0 TDI engines in: Audi, Seat, Volkswagen, 1999–2006. |
| Does the throttle body need to be adapted (relearned) after replacement? |
| In many cars, yes: after fitting, the engine control unit learns the end positions of the throttle. This is done with a diagnostic tool or by following the procedure described by the car manufacturer. |
| What condition is this throttle body in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Not sure if this throttle body fits your car? Send us the number from the label on your part and we will check compatibility before shipping.
