P0A3C

DTC P0A3C (39): Motor Power Inverter (MPI) Module Overheating

NOTE: If the IPU module fan duct is blocked, DTC P0A3C may be detected.

1. Turn the ignition switch ON (II).
2. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1448 indicated?
YES - Do the troubleshooting for DTC P1448.
NO - Go to step 3.

3. Check the MPI MDL TEMP. in the DATA LIST with the HDS.
Is more than 212°F (100°C) indicated?
YES - Go to step 4.
NO - Intermittent failure, system is OK at this time. Check for block at the IPU module fan inlet duct.

4. Check the IPU module air duct or IPU module fan for disconnecting, damage or obstructions, and IPU lid for installation.
Is the IPU module air duct, IPU module fan, and IPU lid OK?
YES - Replace the MPI module, then go to step 5.
NO - Repair the IPU module air duct, IPU module fan, or IPU lid as necessary, then go to step 5.

5. Turn the ignition switch ON (II).
6. Reset the MCM.
7. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P16C3 is indicated, check for poor connections or loose terminals at the DC-DC converter and the MCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Troubleshooting is complete.