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.
Comfort control module Jaguar S-TYPE YW4T13B525BA
Vendors's code: YW4T13B525BA
Product code: YW4T13B525BA
Barcode:
Code 39:
ISBN:
Select a product option:
Individual variants may differ in price
product option
Important: Depending on the ECU type and vehicle model, not all of the options listed below may be available.
To select the correct option for your vehicle and ECU, please contact us before purchasing:
contact@auto24parts.com
1. Locked
This option is intended for professional workshops with the required specialist equipment and technical knowledge.
The ECU has been removed from a vehicle intended for recycling and still contains the immobilizer data and other information from the previous vehicle. Before it can be used in another car, it must be unlocked and then programmed using specialist automotive diagnostic equipment.
2. Unlocked
Several preparation methods may be available. The possible options depend on the ECU type, vehicle model and immobilizer system. Please contact us before purchasing, as some preparation methods are not available for every ECU.
Our electronics specialists can prepare the ECU in one of the following ways:
a) ECU with PIN code (Car Pass)
The PIN code is supplied, but programming with a suitable diagnostic tool is still required. After installing the ECU, it must be reset using the supplied PIN code and then programmed to the vehicle’s immobilizer system.
b) VIRGIN ECU
The data from the previous vehicle is removed and the ECU is restored to a clean, factory-like state. After installation, it must be programmed to the vehicle using a compatible specialist diagnostic tool. Unless another preparation method is specified in the product description, this is the standard unlocking option for most of our ECUs.
c) Plug & Play – IMMO OFF
The immobilizer function is disabled in the ECU. After installation, the engine can start without additional immobilizer programming. Please note that the vehicle will no longer have an active immobilizer function, and an immobilizer warning light or fault code may remain, depending on the vehicle model.
d) Plug & Play – Automatic Programming
After installation, the ECU automatically learns and saves the required vehicle data. No additional programming is normally required.
e) Plug & Play – 1:1 Clone
The data from your original ECU is copied to another fully functional ECU. The cloned unit is then ready for installation without additional programming.
You must send us your original ECU so that we can transfer its data to the replacement unit.
The original ECU must have working communication with the vehicle, a diagnostic tool or our programming equipment. If the required data cannot be read, a complete 1:1 clone may not be possible.
3. Complete Plug & Play Set
A complete matched set containing the ECU, immobilizer components and all other parts required to start the vehicle without additional programming. All components supplied in the set must be installed in the vehicle.
Important:
Dispatch time depends on the selected option. If an unlocked or specially prepared version is ordered, the preparation service usually requires an additional 1–2 business days.
Ask about the product
Comfort control module Jaguar S-TYPE YW4T13B525BA
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Shipping
from
$30.24
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shipping
(Poland)
from
$30.24
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shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
Shipping cost for the selected product
The shipping cost applies to this product (in the selected variant - if applicable). It may change after adding other products to the cart.
Looking for a part for Jaguar S-TYPE?
Used, working part: comfort control module for Jaguar S-TYPE - numbers YW4T-13B525-BA / YW4T13B525BA. Before ordering, make sure the numbers match the label of your part.
Comfort control module Jaguar S-TYPE
This module (comfort control module) is intended for: Jaguar S-TYPE. This is a used, working part in good technical condition.
Function in the car
The module electronics are exposed to moisture and contact corrosion, especially when fitted in the scuttle, under the dashboard or near the doors.
Vehicle and manufacturer
- Jaguar S-TYPE - model
- 2002 - year
- 3.0 V6 - engine according to the listing
How to choose the part
Number YW4T-13B525-BA also appears in another listing. Compare all numbers with the label on your part - we do not assume that listings are interchangeable.
What a fault looks like
- some functions work only intermittently,
- the system returns to normal after the battery is disconnected,
- electrical faults appear after rain or a car wash,
- warning lights on the dashboard come on for no reason.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Part markings
- YW4T-13B525-BA / YW4T13B525BA - part number
Buyers' questions
| Is coding needed after replacement? |
|---|
| It depends on the make, model and version. Before buying, check whether your car needs adaptation or coding after the replacement. |
| What does "used, working" mean? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
Write to contact@auto24parts.com with the model, year and the number from your part - we will check the fitment.
