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 Iveco Bosch 504182320 0265234521 0265950629
Vendors's code: 504182320
Product code: 0265234521
Barcode:
Code 39:
ISBN:
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Will ABS pump 504182320 fit your Iveco?
ABS pump 504182320 complete with control unit, used and inspected. Compare the numbers with the original in your car.
Iveco ABS pump: numbers 504182320 and 0265234521
ABS pump 504182320 for Iveco is a used original module that regulates brake pressure when a wheel starts to lock up. It is matched by the numbers on its labels, not by the car model alone. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Part number 504182320 and related numbers
The numbers from the listing, as written on the labels and as a single string:
- 504182320, original Iveco number,
- 0 265 234 521 (catalogue format: 0265234521), hydraulic block manufacturer's number,
- 0 265 950 629 (catalogue format: 0265950629), control unit number.
Compare the numbers with the original pump in your car, and if any of them differs, write to us before buying.
What ABS problems can point to
- the ABS stops working, although basic braking usually remains functional,
- valve or pump motor faults are stored in the control unit memory,
- the ABS activates for no reason during normal braking,
- on a slippery surface the wheels lock up noticeably sooner than they used to.
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
| Where do I find number 504182320 on my pump? |
|---|
| The numbers are stamped or printed on the aluminium hydraulic block, and the control unit has a separate sticker. Take a close-up photo of both places in good light. |
| 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. |
| Are the make and model of the car enough to choose the part? |
| No. A single model comes with different versions of the module, depending on the engine, year of manufacture and drivetrain. The most reliable reference is the number on the original pump. |
| What condition is this pump in? |
| It is a used original part, 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.