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.
Transmission Control Unit Hyundai Continental A2C1924660101 954402DSR0 SIM2K-305
Vendors's code: A2C1924660101
Product code: F6E7-280DE
Barcode:
Code 39:
ISBN:
£495.64
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£495.64
£609.64
Price
£609.64
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Transmission Control Unit Hyundai Continental A2C1924660101 954402DSR0 SIM2K-305
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Transmission Control Unit A2C1924660101 – does it fit your Hyundai?
This is a used, working Continental transmission control unit with part numbers A2C1924660101, 954402DSR0 and SIM2K-305. The car model is not specified – the unit is matched by its numbers. Before buying, compare the numbers with the label on the control unit in your car.
Transmission Control Unit Continental A2C1924660101 – Hyundai
The transmission control unit (TCU) manages the gearbox: based on sensor signals it decides on gear changes and controls the gearbox actuators. This unit comes from a Hyundai; the car model is not specified, so it is matched by its numbers.
Part numbers to compare
- A2C1924660101 – control unit manufacturer number (Continental)
- 954402DSR0 – Hyundai part number, on the label: 95440-2DSR0
- SIM2K-305 – additional marking
The same numbers should appear on the control unit in your car. The car model alone is not enough – control units differ in software version and configuration.
Signs of a faulty transmission control unit
When the transmission control unit starts to fail, the most common signs are:
- gearbox limp mode,
- incorrect gear changes,
- a gearbox warning light or message,
- no communication with the control unit in the diagnostic tool.
Before replacing it, check the power supply, earth connections and connectors, and read the fault codes – other gearbox components can cause similar symptoms. After replacement, coding or adaptation with a diagnostic tool may be required.
Frequently asked questions
| Which car does the A2C1924660101 control unit fit? |
|---|
| The control unit comes from a Hyundai; the car model is not specified. It is matched by its numbers – compare them with the label on the control unit in your car. |
| Which number should I compare? |
| Ideally all of them: A2C1924660101 is the control unit manufacturer number, 954402DSR0 is the Hyundai part number and SIM2K-305 is an additional marking. You will find them all on the control unit label. |
| Does the control unit need programming after replacement? |
| In many cars, yes – after fitting, the control unit is coded or adapted with a diagnostic tool. |
| What condition is this control unit in? |
| It is a used part in good working condition. The warranty period is shown in the product specification table. |
Not sure whether this control unit fits your car? Send us a photo of your control unit label and we will confirm compatibility.
