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 P68046200AA 25021210514 28526161023
Vendors's code: P68046200AA
Product code: 28526161023
Barcode:
Code 39:
ISBN:
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Diagnostic tool showing an ABS fault in your Jeep - is it unit P68046200AA?
Used, working, genuine ABS pump with control module for Jeep. Alongside the part number (OEM) there are two ATE numbers. We do not state the model, so the numbers are what count.
Jeep - ABS unit P68046200AA, ATE 25.0212-1051.4 and 28.5261-6102.3
It usually starts with the diagnostic tool. The read-out shows an ABS pump or control module fault, and the question of a replacement comes up. This unit for Jeep is used, working and genuine. We do not state the model - selection is by part numbers. There are three: a part number (OEM) and two ATE numbers. Compare them with what is shown on your part.
Three numbers to compare
- P68046200AA - part number (OEM): P68046200AA
- 25021210514 - ATE number: 25.0212-1051.4
- 28526161023 - ATE number: 28.5261-6102.3
ATE numbers contain full stops and a hyphen. On the label or in documents they may appear as a string of digits, e.g. 25021210514. It is still the same number. The part number (OEM) starts with the letter P and ends with the letters AA - check both ends. We do not indicate the role of the numbers.
What the diagnostics say
The report from the diagnostic tool most often shows:
- an internal ABS control module fault,
- a pump motor circuit fault,
- no bus communication with the brake module,
- a module power supply fault when the voltage drops.
A fault code is only a clue. Check the battery and charging, as low voltage can produce similar entries. Inspect the module connector and the fuses. If the fault comes back after being cleared, compare the numbers. After fitting, bleed the brakes and ask about coding.
Questions about the ATE numbers
| Which number should I check first? |
|---|
| Start with P68046200AA. Then compare both ATE numbers. |
| Can I write the ATE number without full stops? |
| Yes. 25.0212-1051.4 and 25021210514 are the same number. |
| Which Jeep model does the listing cover? |
| We do not state the model. The numbers in the list are what decides. |
| I can't see the letter P on my label - what next? |
| Get in touch with the full number as written on the label. We will check it against the listing. |
Copy the three numbers from your old part and pass them on to us. We will reply once we have compared them.