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 Ford Mondeo 2.0 TDCI Trw 8G912C405FB 16565804 54085038A 16566104E
Vendors's code: 8G912C405FB
Product code: 54085038A
Barcode:
Code 39:
ISBN:
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Does ABS pump 8G912C405FB come complete with the control unit?
ABS pump 8G912C405FB complete with control unit, used and inspected. Compare the numbers with the original in your car.
Is ABS pump 8G912C405FB the right part for your Ford?
ABS module 8G912C405FB is used and has been inspected before sale. It is intended for Ford cars, but whether it fits is decided by comparing the numbers with the original part in your car. According to the listing, the pump comes from the Ford Mondeo 2.0 TDCI model.
Numbers to compare
You will find the numbers on the labels, while catalogues list them as a single string:
- 8G912C405FB, original Ford number,
- 16565804, additional number from the listing,
- 54085038A, additional number from the listing,
- 16566104E, additional number from the listing.
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
What can point to an ABS pump failure
- valve or pump motor faults are stored in the control unit memory,
- brake fluid leaks from the hydraulic block, which requires immediate action,
- the ABS switches itself off shortly after the engine is started,
- on a slippery surface the wheels lock up noticeably sooner than they used to.
ABS faults should not be ignored, because without anti-lock protection the car brakes less well on wet or slippery roads. Diagnosis and fitting are best left to a garage with a suitable scanner.
Questions and answers
| Where do I find number 8G912C405FB 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. |
| Does a lit ABS warning light always mean a faulty pump? |
| No. Read the fault codes first, because the cause may be a wheel sensor, its wiring or too low a supply voltage. |
| Do the brakes need bleeding after replacing the module? |
| If the brake lines are disconnected during fitting, the system must be bled. The fault codes in the control unit usually need to be cleared as well. |
| 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. |
Want to check before you buy? Send a photo of the block and sticker on your ABS pump and we will check that the numbers match.