1996-2004 Volvo S40 V40 GUIDE: How to replace the SRS Control module

[gatos]

This is a guide for people who get the dreaded SRS-0001 "Control module internal fault" Error Code. This error code comes up when the SRS Control module is faulty. It will trigger the SRS light and you won't be able to erase any other SRS error codes. A new unit from Volvo is around £300. The good news is that you can get a second hand one for around £25-£40. Quite a few people with this problem were told that the replacement module must be programmed by a dealer. I have tested and swapped a few of these and can confirm with 100% certainty that NO PROGRAMMING is needed. It is a straight plug and play. Just make sure you check the part number of your SRS module and get the same one.

For this job, you will need:

• A Philips screwdriver
• A small flat blade screwdriver or a penknife blade
• Ratchet with extension and 10mm socket

Before you get started, you need to:

• Make a note of the anti-theft radio code
• Switch off the ignition
• Disconnect the battery negative lead
• Wait at least five minutes before starting any work

The SRS control module is located under the centre console, which will need to be removed. Lift the gear lever leather gaiter from the rear




Remove the rubber mat


Push these two clips towards the middle and lift up the gear lever suround trim


Unplug the 12V lighter connector.


Open the lid of the centre console and remove the rubber mat


Using a flat blade screwdriver or a penknife blade, unclip this plastic cover


Undo the two screws


Undo these two screws too at the front of the centre console


Raise the centre console from the rear and wiggle it out. You may have to raise or lower the handbrake lever to make it easier for the centre console to slide out




Now the centre console is out of the way, you can see the SRS module secured by 3 10mm bolts. Undo them


DO NOT try to pull the SRS Module pink connector. You just need to push in that small pink lug and slide the orange bracket over it. It will unlock and lift the connector up.






To plug in the large pink connector back to the SRS module, make sure the orange bracket is in the open position. Place (DO NOT PUSH) the pink connector on the SRS module and simply slide the orange bracket over until it locks. The pink connector will go in while you are rotating/sliding the orange bracket

To fit everything back together, just follow this guide in the reverse order.