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 F 1.6 10479947 S55563IR
Vendors's code: 10479947
Product code: 875E-474BF
Barcode:
Code 39:
ISBN:
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Alternator for Opel Astra F - what to check before buying?
This listing is an alternator for Opel Astra F - numbers 10479947; S55563IR. The part is used, working and in good condition. It is best to confirm the fitment by the numbers.
Alternator Opel Astra F
In the Opel Astra F 1.6 the alternator supplies the electrical system while driving. The part is used, working and in good condition.
Application according to the listing
- model: Opel Astra F
- engine: 1.6
- manufacturer: Delco
Numbers to compare
- 10479947 - Delphi number (manufacturer)
- S55563IR - further part number
Symptoms of a faulty alternator
- the charging light stays on after the engine starts,
- the blower and electric windows work more weakly,
- the battery quickly loses capacity,
- diagnostics report low voltage.
Before buying an alternator, check the battery, the drive belt and the connectors - they can cause similar symptoms.
The role of the alternator in a car
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. After fitting, it is worth checking the charging voltage with the engine running.
Matching by numbers
Compare the full number 10479947 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.
Questions and answers
| 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. |
| What warranty does the alternator have? |
| The part comes with a 6-month warranty. |
| 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. |
Need help choosing? Write to contact@auto24parts.com with the number of your part.