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 Jeep ATE P04877071AA 28526380003
Vendors's code: P04877071AA
Product code: 28526380003
Barcode:
Code 39:
ISBN:
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Jeep and number P04877071AA: where should you start comparing?
We offer a used, working, original ABS pump with control module for a Jeep. The model is not stated. Start with the ATE number, then check the OEM number.
Jeep ABS unit P04877071AA, ATE 28.5263-8000.3
Jeep owners often know only the make and the year of their car. That is not enough to choose an ABS unit. What counts here are the numbers on the housing. This listing has two: ATE number 28.5263-8000.3 and part number (OEM) P04877071AA. The part is used, working and original. We do not state the model.
Numbers in this listing
- P04877071AA - part number (OEM): P04877071AA
- 28526380003 - ATE number: 28.5263-8000.3
The ATE number has a fixed layout: two digits, a full stop, four digits, a hyphen, four digits, a full stop and a final digit. That makes it easy to tell apart from the OEM number. We do not assign roles to the numbers. Check both, character by character.
Symptoms that make it worth checking the unit
Customers usually look for this part when:
- no brief pump run can be heard after switching on the ignition,
- ABS kicks in during gentle braking on a dry road,
- a brake fault message appears on the dashboard,
- the fault returns shortly after being cleared.
A cleared fault that quickly comes back is a signal for a thorough diagnosis. Read the codes and write them down. Inspect the unit's connector and its pins. Check the fuses. After the replacement, bleed the brakes and ask your garage about module configuration.
Frequently asked questions
| Where should I look for the number on the old part? |
|---|
| Usually on a sticker or a print on the housing. Clean it gently before you start reading. |
| How do I write 28.5263-8000.3 without the symbols? |
| As 28526380003. It is the same ATE number. |
| Do you state the Jeep model? |
| No. In this listing, the numbers decide, not the model. |
| What if the AA suffix is different? |
| Write to us before buying. A different suffix may indicate a different variant. |
Already have both numbers? Send them in a message and we will check whether they match P04877071AA.