Decrease your chances of CEM or DIM failure with a FAN

mrbrian200 had a goal: extend the life of and/or prevent temporary freakouts of the CEM and DIM modules in P2 Volvos. It’s a simple yet brilliant modification that can’t hurt, and will almost certainly help, the longevity of your Volvo. I’ve come across several reports by owners who state when their CEM or DIM freaks […]

Troubleshoot Heat Soak ECM, BCM, CEM, & TCM

Detailed thread from hankb on troubleshooting ECM DIM CAN bus as function of heat and humidity: This is my second post on this forum regarding the same unsolved problem – you can find my first saga here on this site. That post was a year ago – it describes intermittent trouble with the DIM failing, […]

2001 V70 ABS Module Frustration

MVS Forums superuser and ABS expert Matty Moo lays out these facts in trying to solve a particularly vexing ABS module mystery: The 8619538 module works on other pre-CEM. The other STC modules don’t want to work on CEM cars with the 8619538 module. I’ve had no problems like this on the non-CEM cars. You can […]