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 Fiat 52022987 18899618 54086933C
Vendors's code: 52022987
Product code: 54086933C
Barcode:
Code 39:
ISBN:
325,20 zł
Price
325,20 zł
400,00 zł
Price
400,00 zł
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ABS pump and control module Jeep Fiat 52022987 18899618 54086933C
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ABS cutting out on rough roads? Check number 52022987
Used, working, genuine ABS pump and control module unit. The listing title names Jeep and Fiat. We do not state the model - selection by three part numbers (OEM).
Jeep / Fiat - ABS pump with control module 52022987, 18899618, 54086933C
Some ABS faults only make themselves known over potholes or on slippery surfaces. The system suddenly switches off and a warning light appears on the dashboard. If the diagnosis has pointed to the unit, take a look at the list of numbers. This listing is for a used, working and genuine unit. Two makes appear in the title: Jeep and Fiat. We do not state the model.
Part numbers (OEM)
- 52022987 - part number (OEM): 52022987
- 18899618 - part number (OEM): 18899618
- 54086933C - part number (OEM): 54086933C
All three are part numbers (OEM). We do not say which one relates to the pump and which to the module. The last one ends in the letter C - do not leave it out. A letter at the end may indicate a different version of the part.
Intermittent symptoms
This unit is usually sought by people who notice:
- the ABS warning light coming on only now and then,
- an ABS fault stored as intermittent,
- the ABS switching off after driving over a bump,
- the warning light going out after the engine is restarted.
Intermittent faults are the hardest. A connector, a chafed wire or a wheel sensor is often to blame. Move the wiring loom with the diagnostic tool connected and watch the reading. If the wiring is fine and the fault relates to the module, move on to the numbers. After fitting, bleed the system.
Customer questions
| Is the unit for Jeep or for Fiat? |
|---|
| Both makes are in the title. The numbers decide: 52022987, 18899618 and 54086933C. |
| Does the letter C in 54086933C matter? |
| Yes, compare the number in full, including the letter. |
| Is it enough if one number matches? |
| It is better to compare all three. If there is a difference, get in touch. |
| Is an intermittent ABS fault always down to the module? |
| Not always. Check the wiring, connectors and wheel sensors first. |
Write down the three numbers from your part and pass them on to us. We will reply and tell you whether they match the listing.
