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 and control module Mercedes-Benz Bosch A2134314301 0265291036 0265956523
Vendors's code: A2134314301
Product code: 0265956523
Barcode:
Code 39:
ISBN:
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ABS pump for the Mercedes-Benz - what to check before buying?
This is a used, working ABS pump with control module for the Mercedes-Benz - numbers A2134314301 / A 213 431 43 01; 0265291036 / 0 265 291 036; 0265956523 / 0 265 956 523. Before buying, compare the numbers with the label on the module in your car.
ABS pump and control module Mercedes-Benz
For the Mercedes-Benz we offer a used ABS pump together with its control module, which you can match by the numbers in the list. It is working and in good condition.
Numbers to compare
- A2134314301 / A 213 431 43 01 - part number (OEM)
- 0265291036 / 0 265 291 036 - ABS pump number (Bosch)
- 0265956523 / 0 265 956 523 - ABS control module number (Bosch)
Application according to the listing
- Mercedes-Benz - model
- Bosch - manufacturer
How an ABS pump with control module works
During normal driving the system is passive and the brakes work conventionally. Only under hard braking does the pump start to pulse, and you can feel vibrations in the brake pedal.
Matching
Number A 213 431 43 01 was assigned by Mercedes-Benz, while 0265291036 and 0265956523 are the Bosch numbers of the pump and control module. Check the Mercedes number in particular, because different module versions can look alike.
Symptoms of a faulty ABS pump
- valve fault codes appear,
- the ABS works unevenly,
- the warning light stays on even after a sensor replacement,
- the module stops responding after moisture gets in.
Inspect the control module connector: corrosion or burnt contacts cause symptoms similar to faulty electronics.
Questions and answers
| Is the control module included? |
|---|
| Yes, the listing covers the ABS pump together with the control module, as stated in the name. If you want to confirm the details of the set, write to us before buying. |
| What should I check on delivery? |
| Check that the numbers match the description and that the connector, ports and housing show no cracks or signs of corrosion. |
| Can I drive with the ABS warning light on? |
| Usually the car still brakes without ABS assistance, but the wheels can lock and ESP will not work. The repair should be done as soon as possible. |
Not sure? Send a photo of your module to contact@auto24parts.com - we will check it for you.