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 Chrysler ATE P04721522AD 25021200984 25092743153
Vendors's code: P04721522AD
Product code: 25092743153
Barcode:
Code 39:
ISBN:
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Why compare as many as three numbers before buying an ABS unit?
A used, working ABS unit with pump and control unit for a Chrysler. The numbers in the listing: P04721522AD and ATE 25.0212-0098.4 and ATE 25.0927-4315.3. We do not state the model - matching is by numbers.
Chrysler - ABS unit P04721522AD and ATE numbers
In brakes with ABS, three elements are key: the sensors at the wheels, the control unit, and the hydraulic part with the valves and the return pump. The sensors measure speed, the control unit analyses it, and on its command the valves briefly cut off the fluid supply to the wheel that is losing grip. This listing is for a used, working unit comprising the pump and control unit, intended for Chrysler-brand vehicles. We do not state the model - matching is done by numbers.
What these numbers refer to
- P04721522AD - OEM part number: P04721522AD
- 25021200984 - ATE number: 25.0212-0098.4
- 25092743153 - ATE number: 25.0927-4315.3
This arrangement - one OEM number and two ATE numbers - makes sense for a simple reason: the system manufacturer marks its components independently of the carmaker’s numbering. That is why the OEM number alone is sometimes not enough, and the ATE numbers help settle which version is meant.
Typical signs of a fault
An ABS unit comes into play when you notice:
- an ABS warning light that stays permanently on,
- a hydraulics or control unit error message in the fault memory,
- no ABS intervention on a slippery surface.
Before you order the part, read the fault codes and check the wheel speed sensors and the power supply wiring. After fitting the unit, bleed the brake system and, if necessary, configure the module with diagnostic equipment.
Clearing up your doubts
| How can I tell whether the number in my car matches the listing? |
|---|
| Compare the OEM number P04721522AD and both ATE numbers (25.0212-0098.4 and 25.0927-4315.3) with the markings on the part you are replacing. All three should match. |
| Do you state the car model? |
| No. We know it is a Chrysler-brand car, but we do not state the model - matching is done by numbers. |
| Will replacement alone make the ABS work again? |
| If the module is the cause, yes - provided the sensors and wiring are in order. That is why it is worth reading the fault codes before you buy. |
| What condition is this part in? |
| It is used, genuine and working. You will find the warranty period in the product features table. |
Prefer to check the numbers together with us? Send the VIN and the markings from your part and we will compare them with P04721522AD before you order.