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 Bosch A0074311012 0265251324 0265951523
Vendors's code: 0265251324
Product code: A0074311012
Barcode:
Code 39:
ISBN:
€365.85
Price
€365.85
€450.00
Price
€450.00
Ask about the product
ABS pump Mercedes Bosch A0074311012 0265251324 0265951523
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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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Where to find number A0074311012 on Mercedes ABS pumps
ABS pump A0074311012 complete with control unit, used and inspected. Compare the numbers with the original in your car.
Mercedes ABS pump A0074311012: hydraulic module with control unit
This module is made by Bosch. ABS pump A0074311012 is sold together with its control unit, just as it is fitted to Mercedes cars. 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 to compare
The numbers from the listing, as written on the labels and as a single string:
- A 007 431 10 12 (catalogue format: A0074311012), Mercedes number stamped on the hydraulic block,
- 0 265 251 324 (catalogue format: 0265251324), hydraulic block manufacturer's number,
- 0 265 951 523 (catalogue format: 0265951523), control unit number.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
What ABS problems can point to
- the brake pedal pulses or feels uneven for no obvious reason,
- valve or pump motor faults are stored in the control unit memory,
- the ABS activates for no reason during normal braking,
- brake fluid leaks from the hydraulic block, which requires immediate action.
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
| Which car model does this pump fit? |
|---|
| The listing does not state a model or year, so confirm compatibility with the number from the original pump in your car, or send us a photo of it. |
| 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 Bosch. 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 certain this is the right module? Send us the numbers from the label on your pump and we will help you compare them.
