Checking the control module
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
The seal surfaces must not be mechanically worked using a file or scraper. Use a plastic tool. Never clean using a solvent.
Check that:
- none of the pins or sockets on the connector are damaged
- there is no dirt on the seal surfaces between the control module and the ABS hydraulic modulator
- no part of the control module seals remain on the ABS hydraulic modulator valves.