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.
ABS pump Mercedes ATE A0034317012 10020401974 A1705450132
Vendors's code: 10020401974
Product code: A0034317012
Barcode:
Code 39:
ISBN:
€406.50
Price
€406.50
€500.00
Price
€500.00
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ABS pump Mercedes ATE A0034317012 10020401974 A1705450132
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How to check whether ABS pump A0034317012 fits your Mercedes
Used original ABS module with number A0034317012 for Mercedes. Confirm compatibility with the number from your original pump.
Is ABS pump A0034317012 the right part for your Mercedes?
The hydraulic block and control unit of this ABS pump form a single module that works with the wheel speed sensors in Mercedes cars. You will find number A0034317012 on the label, and the full set of numbers is given in the description below. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Where to find the numbers on an ABS pump
Below are the numbers as they appear on the labels, together with the single-string form used in catalogues:
- A 003 431 70 12 (catalogue format: A0034317012), Mercedes number stamped on the hydraulic block,
- 10.0204-0197.4 (catalogue format: 10020401974), hydraulic block manufacturer's number,
- A 170 545 01 32 (catalogue format: A1705450132), Mercedes control unit number.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
Symptoms of a faulty ABS pump or control unit
- the ABS warning light comes on after the engine is started and stays on,
- the ABS stops working, although basic braking usually remains functional,
- the ABS activates for no reason during normal braking,
- the ABS warning light comes on together with the stability control warning light.
ABS faults should not be ignored, because without anti-lock protection the car brakes less well on wet or slippery roads. Diagnosis and fitting are best left to a garage with a suitable scanner.
Questions and answers
| What is the difference between numbers A0034317012 and 10020401974? |
|---|
| One of the numbers is stamped on the hydraulic block, while the other comes from the module manufacturer or from the control unit sticker. When matching the part, compare all the numbers. |
| Are the pump and the control unit sold separately? |
| In this listing they are a single module: a hydraulic block with the pump and valves, with the control unit attached to it. |
| Does a lit ABS warning light always mean a faulty pump? |
| No. Read the fault codes first, because the cause may be a wheel sensor, its wiring or too low a supply voltage. |
| What condition is this ABS module in? |
| It is an original recycled part in good condition, checked by us. Warranty details are in the product features table. |
Want to be certain? Send us the numbers from the block and sticker on your ABS pump, and together we will check whether this part will fit.
