ECM Archives - Volvo Forum + Help for Owners

How to Diagnose a Bad ECM/ECU on a 2001 XC70

MVS Volvo Forums member jcb went to great lengths to isolate the ECU in his 2001 XC70. He did work to make sure it was the culprit. This…

Post categories In ECU, TCU, PNP, ETM & Other Modules, Volvo Repair Documentation, Volvo V70 2001-2007

ECM Airflow Motor is Important

MVS Contributor oragex made a video speaking about the importance of the ECU/ECM airflow motor. ECM airflow motor is important for keeping your car’s computer cooled down as…

Post categories In ECU, TCU, PNP, ETM & Other Modules, Volvo 850, Volvo C70, Volvo S70 & V70 1998-2000, Volvo V70 R 1998-2000, Volvo XC70 & V70XC

Troubleshoot Heat Soak ECM, BCM, CEM, & TCM

Need to Troubleshoot Heat Soak ? Detailed thread from hankb on troubleshooting ECM DIM CAN bus as function of heat and humidity: This is my second post on…

Post categories In Diagnostics - VIDA, VADIS, DiCE, OBD, Codes, ECU, TCU, PNP, ETM & Other Modules, Sensors, Software Updates