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 Saab 900 Bosch 0265216469 0273004221 442694
Vendors's code: 442694
Product code: 0265216469
Barcode:
Code 39:
ISBN:
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Does ABS pump 0265216469 come complete with the control unit?
Used ABS pump with control unit, number 0265216469, inspected before sale. Matched by the numbers on the block and sticker.
How to identify ABS pump 0265216469 for your Saab 900
This is a used original ABS pump with a control unit for Saab 900 cars: an aluminium hydraulic block with valves and a pump motor, with the electronics bolted to it. The main number is 0265216469, and the other numbers from the labels are listed below. According to the listing, the pump comes from the Saab 900 model.
Numbers to compare
Below are the numbers as they appear on the labels, together with the single-string form used in catalogues:
- 0 265 216 469 (catalogue format: 0265216469), hydraulic block manufacturer's number,
- 0 273 004 221 (catalogue format: 0273004221), control unit number,
- 442694, additional number from the listing.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
When an ABS module needs replacing
- the ABS warning light comes on after the engine is started and stays on,
- the ABS stops working, although basic braking usually remains functional,
- the pump motor switches on at unusual moments or runs louder than usual,
- on a slippery surface the wheels lock up noticeably sooner than they used to.
First check the wheel sensors, their wiring and the supply voltage. Only a fault code pointing to the module justifies replacing the pump. After fitting, clear the fault codes and, if necessary, bleed the brake system.
Questions and answers
| 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. |
| Can I send a photo for a compatibility check? |
| Yes. Contact us and send a photo of the numbers on your original pump, and we will help you check whether this module will fit. |
| Who makes this module? |
| The module is made by Bosch. The manufacturer's name does not change the numbers you should use to match the part. |
| 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. |
Not certain this is the right module? Send us the numbers from the label on your pump and we will help you compare them.