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 Ford Focus 4M5T14A073BF 3M5T14014CAF
Vendors's code: 4M5T14A073BF
Product code: 4M5T14A073BF
Barcode:
Code 39:
ISBN:
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Part number 4M5T14A073BF - is it the right choice?
Used, working part: comfort control module for Ford Focus - numbers 4M5T14A073BF; 3M5T14014CAF. Before ordering, make sure the numbers match the label of your part.
Comfort control module Ford Focus
If several body functions in your Ford Focus (2005) have stopped working at once, the module may be the cause. We sell a used, working unit in good condition.
Matching by numbers
Number 4M5T14A073BF also appears in another listing. Compare all numbers with the label on your part - we do not assume that listings are interchangeable.
Which car it is for
- Ford Focus - model
- 2005 - year
- 1.8 - engine according to the listing
Numbers on the label
- 4M5T14A073BF - part number
- 3M5T14014CAF - additional part number
- F1338C - additional part number
Role of the part in the car
Which functions the module handles depends on the software and equipment of the car; the same physical module may work differently in another car.
Typical failure symptoms
- the battery drains overnight for no obvious reason,
- the interior lighting does not switch off,
- nothing happens when settings are changed,
- door signalling works incorrectly.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Questions and answers
| Can I use a part from a different equipment version? |
|---|
| We do not assume so. Versions differ in functions and software, so compare the numbers and the equipment of your car. |
| Where can I find the number on the part? |
| The number is on the label or housing, usually visible after removing the part from the car. If you cannot read it, send us a photo. |
| Is the part new? |
| This is a used, working part in good condition. You will find the warranty period in the product features table. |
If you have questions about the application, write to contact@auto24parts.com and give the number from the label.