Motor Driver Module (MDM) Short Circuit

DTC 41 (P1437, P1439): Motor Driver Module (MDM) Short Circuit
1. Turn the ignition switch ON (II), and watch the IMA system indicator.
Is DTC 40 indicated?
YES-Do the DTC 40 troubleshooting, and recheck.
NO-Go to step 2.
2. Reset the MCM.
3. Start the engine.
Is DTC 41 indicated?
YES-Replace the MPI module.
NO-Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the voltage converter module and at the MCM.