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.
Alternator Opel Vectra Signum 2.0 DI 2.2 DTR 140A 0124525030 13108596YK
Vendors's code: 0124525030
Product code: 0CF9-89429
Barcode:
Code 39:
ISBN:
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How do I check whether the alternator will fit my Opel Vectra Signum?
This listing is an alternator for Opel Vectra Signum - numbers 0 124 525 030 / 0124525030; 13 108 596 YK / 13108596YK, 140 A. This unit is used, working and in good technical condition. It is best to confirm the fitment by the numbers.
Alternator Opel Vectra Signum
The alternator generates current while the engine runs, charging the battery and powering the electrical consumers. This listing covers: Opel Vectra Signum 2.0 DI 2.2 DTR. This unit is used, working and in good technical condition.
Fitment
Compare the full number 0 124 525 030 with the number on your alternator. Different versions were fitted to the same models, so the number decides, not the model alone. Numbers on an alternator appear in two forms: with spaces or in full. We give both to make the part easier to find.
How to recognise a faulty alternator
- the battery light comes on while driving,
- the starter turns more and more slowly,
- there is noise from the alternator area,
- the charging voltage is out of range.
Before ordering the alternator, compare the mounting, the connector and the numbers with the part fitted in your car.
The role of the alternator in a car
An alternator works in harsh conditions: high temperature, moisture and vibration. Parts that wear include the bearings, brushes and electronic components. Replacing the alternator usually means removing the drive belt, so check its condition at the same time.
Numbers to compare
- 0 124 525 030 / 0124525030 - manufacturer number - Bosch
- 13 108 596 YK / 13108596YK - another number from the listing
- 140 A - current output according to the listing
According to the listing - model: Opel Vectra Signum, engine: 2.0 DI 2.2 DTR, manufacturer: Bosch.
Frequently asked questions
| Is the alternator in this listing in working order? |
|---|
| Yes. We sell used alternators in working order and good condition, with numbers you can compare. |
| Can I ask about fitment before buying? |
| Yes. Send us the number or a photo of your alternator and we will check the fitment. |
Need help choosing? Write to contact@auto24parts.com with the number of your part.