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 Volkswagen Audi Skoda Bosch 3B0614111 0265220621 0273004573
Vendors's code: 0265220621
Product code: D2F9-6503D
Barcode:
Code 39:
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£123.33
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£151.70
Price
£151.70
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ABS pump and control module Volkswagen Audi Skoda Bosch 3B0614111 0265220621 0273004573
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Looking for ABS pump 3B0614111?
This Bosch unit numbered 3B0 614 111 is used and in working order, with control module 0 273 004 573 bolted to it. The assembly is intended for Volkswagen, Audi and Skoda cars - the choice is based on numbers, not on the model.
Bosch ABS unit 3B0614111 / 0265220621 with control module 0273004573
Control module 0 273 004 573 makes the decisions in this assembly. It monitors the signals from the speed sensors mounted at the wheels and picks up the moment when one wheel starts turning more slowly than the rest. When a sensor stops delivering a plausible signal, the module stores a fault and usually switches off the ABS function. The valves in block 3B0614111 and the pump motor operate only on command from the electronics.
Three numbers worth comparing
- 3B0614111 - VAG number of the ABS pump (hydraulic unit), stamped into the metal of the block: 3B0 614 111
- 0265220621 - Bosch number of the hydraulic block (pump), stamped into the metal of the block: 0 265 220 621
- 0273004573 - Bosch number of the control module, on the module label: 0 273 004 573
Both pump numbers are stamped on the front wall of the block, near the port markings HZ1, HZ2, VL, VR, HL and HR, while the control module number can be read from the sticker on its housing. For the module we give only the Bosch number, so that is the one to compare with the marking on your own control module.
When to suspect the ABS unit
Common symptoms are:
- no communication with the ABS control module,
- the ABS warning light on the dashboard,
- a pump motor fault in the fault memory.
Before you decide on a replacement, check the fault codes with a diagnostic tool and rule out a wheel sensor, a blown fuse, a chafed wire or corroded plug, and a weak battery. With the assembly fitted, the brakes need bleeding; on some VW Group cars the module also has to be coded with a diagnostic tool.
Questions about pump 3B0614111
| Which cars is this assembly intended for? |
|---|
| For Volkswagen, Audi and Skoda cars. The specific application is established by matching the numbers with your part. |
| What condition is the part in? |
| Genuine Bosch, used and in working order. The warranty period is listed in the product features table. |
| How can I confirm the fit before I order? |
| Take photos of the numbers stamped on the block and of the control module sticker, or send us your VIN. We will check them before you place your order. |
| Is a matching Bosch number enough? |
| Bosch number 0 265 220 621 is a good pointer, but also check VAG number 3B0 614 111 and control module number 0 273 004 573 - only a full set of matching markings gives certainty. |
Get in touch with your VIN or a photo of the markings on your assembly - we will verify the fit.
