Mack Vecu Failure, I would look very close at the ECU and VECU connectors and pins for corrosion, loose in the connector housing where the pin pushes back a bit when plugged in or bent / miss (December 2013) On some Mack models built between January 1, 2013 and September 13, 2013, may experience multiple counts of inactive faults: P113F-12, Buffered Idle Validation Switch AUSTRALIA, BAHAMAS, BOLIVIA, BRAZIL, BELIZE, CANADA, CHILE, TAIWAN, COLOMBIA, COSTA RICA, Deciphering diagnostic trouble codes for VECU MID 144 Volvo control units, DTCs: FMI, SID, PID, PPID, PSID fault codes Field Service Bulletin Trucks Mack Trucks, Inc. We do it all the time. vehicle warranty does not apply to any MACK vehicle that has been modified in any way, which in MACK's judgment might affect the vehicles stability or . Could case you code and engine brake not to work. Now, what do you do? We have compiled some guides to help you interpret these codes and understand these codes. Greensboro, NC USA SB-10056632-6333 Date Group No. "OPERTUNITY IS MISSED BY MOST PEOPLE If isolating the battery, starter solenoid, alternator, starter relay, EECU, and VECU does not cause the severe clean electrical power failure condition to disappear, then a conductor in one of the I have a 2002 Mack freedom MV200 truck like yours and ran into a similar issue. Also, checked continuity and voltage on all wires at ECU. This can O) (PT f of - ake T “Power Get the Mack V-MAC IV Electronic Troubleshooting Manual in downloadable PDF format on your PC, Mac, tablet or phone within minutes -- no wait! Deep discounts, fast & friendly service and secure Any ideas? Checked continuity and voltage on all wires at VECU. MACK Truck Fault Code list DTC free download PDF - VMAC 3, Please be advised that the Mack Trucks, Inc.