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 Astra Vectra Signum Zafira 1.9 CDTI 0124325172 13229990AR
Vendors's code: 0124325172
Product code: ACFB-1537D
Barcode:
Code 39:
ISBN:
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Alternator Opel Astra Vectra Signum Zafira 1.9 CDTI 0124325172 13229990AR
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Alternator with number 0124325172 - is it the right part?
This is an alternator for Opel Astra Vectra Signum Zafira - numbers 0124325172; 13 229 990 AR / 13229990AR. The alternator is used, working and in good condition. Before buying, compare the numbers with the marking on your alternator.
Alternator Opel Astra Vectra Signum Zafira
The alternator generates current while the engine runs, charging the battery and powering the electrical consumers. This listing covers: Opel Astra Vectra Signum Zafira 1.9 CDTI. The alternator is used, working and in good condition.
How this alternator is marked
- 0124325172 - manufacturer number (Bosch)
- 13 229 990 AR / 13229990AR - additional part number
According to the listing - model: Opel Astra Vectra Signum Zafira, engine: 1.9 CDTI, manufacturer: Bosch.
How to match this part
Check the number 0124325172 on your alternator. Versions of the same model could have different output and design, so the number decides, not the model. We do not assume interchangeability - we give every number so that you can compare it with the original.
When the alternator needs replacing
- 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.
Remember that a loose belt, corroded battery terminals or a bad earth can mimic an alternator fault.
What the alternator does
Inside the alternator the alternating current is rectified and the regulator controls the charging voltage. This keeps the battery charged and gives the electrical consumers a stable supply. Replacing the alternator usually means removing the drive belt, so check its condition at the same time.
Questions and answers
| Is the alternator in this listing in working order? |
|---|
| Yes, this listing is for a used part in working order and good condition. Numbers and condition are given in the description. |
| Can I ask about fitment before buying? |
| Yes. Send us the number or a photo of your alternator and we will check the fitment. |
| How can you tell that the alternator is faulty? |
| Most often the charging light comes on, the battery runs down or there is noise from the alternator area. Measuring the charging voltage will give you certainty. |
Have a question about fitment? Write to us at contact@auto24parts.com and give the model, year and the number from your alternator.
