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 BMW ATE 3451687623301 6876234
Vendors's code: 6876233
Product code: 6876234
Barcode:
Code 39:
ISBN:
€182.93
Price
€182.93
€225.00
Price
€225.00
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ABS pump BMW ATE 3451687623301 6876234
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What does number 3451687623301 on an ABS pump mean?
Used original ABS module with number 3451687623301 for BMW. Confirm compatibility with the number from your original pump.
BMW ABS pump: numbers 3451687623301 and 6876234
This is a used original ABS pump with a control unit for BMW cars: an aluminium hydraulic block with valves and a pump motor, with the electronics bolted to it. The main number is 3451687623301, and the other numbers from the labels are listed 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.
Numbers and markings on the ABS pump
You will find the numbers on the labels, while catalogues list them as a single string:
- 3451 6876233 01 (catalogue format: 3451687623301), BMW number of the ABS pump (hydraulic part),
- 6876234, BMW number in short form, without the group prefix.
Matching by number is more reliable than matching by car model. Compare all the numbers and ask us if any of them does not match.
What ABS problems can point to
- the ABS stops working, although basic braking usually remains functional,
- the brake pedal pulses or feels uneven for no obvious reason,
- the ABS warning light comes on together with the stability control warning light,
- the ABS switches itself off shortly after the engine is started.
First check the wheel sensors, their wiring and the supply voltage. Only a fault code pointing to the module justifies replacing the pump. After fitting, clear the fault codes and, if necessary, bleed the brake system.
Questions and answers
| 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. |
| 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. |
| Can I send a photo for a compatibility check? |
| Yes. Contact us and send a photo of the numbers on your original pump, and we will help you check whether this module will fit. |
| 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. |
Want to check before you buy? Send a photo of the block and sticker on your ABS pump and we will check that the numbers match.
