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 A1664310000 A1669013400
Vendors's code: A1669013400
Product code: A1664310000
Barcode:
Code 39:
ISBN:
€569.11
Price
€569.11
€700.00
Price
€700.00
Ask about the product
ABS pump Mercedes ATE A1664310000 A1669013400
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Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Does ABS pump A1664310000 come complete with the control unit?
ABS pump A1664310000 complete with control unit, used and inspected. Compare the numbers with the original in your car.
How to identify ABS pump A1664310000 for your Mercedes
If the ABS warning light is on in your Mercedes, one possible cause is the hydraulic module or its control unit. ABS pump A1664310000 is a used original part, inspected before sale. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Numbers and markings on the ABS pump
The numbers from the listing, as written on the labels and as a single string:
- A 166 431 00 00 (catalogue format: A1664310000), Mercedes number stamped on the hydraulic block,
- A 166 901 34 00 (catalogue format: A1669013400), 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 brake pedal pulses or feels uneven for no obvious reason,
- valve or pump motor faults are stored in the control unit memory.
It is worth reading the fault codes and checking the sensor wiring before replacement. Fitting and bleeding the brake system are usually carried out by a garage with the right equipment.
Questions and answers
| What is the difference between numbers A1664310000 and A1669013400? |
|---|
| 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. |
| Do the brakes need bleeding after replacing the module? |
| If the brake lines are disconnected during fitting, the system must be bled. The fault codes in the control unit usually need to be cleared as well. |
| Who makes this module? |
| The module is made by ATE. The manufacturer's name does not change the numbers you should use to match the part. |
| Is this a new part? |
| No. We sell used original modules, each one inspected before sale. You will find the warranty period in the product features table. |
Not sure about the match? Send us a photo of the numbers on your ABS pump and we will check whether this module will fit.
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