P15A8

DTC P15A8 (88): W Phase Motor Current Sensor Circuit Malfunction
1. Turn the ignition switch ON (II).
2. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0A64 (28), and/or P0A65 (29) indicated?
YES - Do the troubleshooting for DTC P0A64 (28) and/or DTC P0A65 (29).
NO - Go to step 3.

3. Monitor the OBD STATUS for DTC P15A8 (88) in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES - Go to step 4.
NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the MCM. If the screen indicates NOT COMPLETED, go to step 1 and recheck.

4. Update the MCM if it does not have the latest software, or substitute a known-good MCM.
5. Check for IMA system Temporary DTCs or DTCs with the HDS.
Is DTC P15A8 (88) indicated?
YES - If the MCM was updated, substitute a known-good MCM, then recheck. If the MCM was substituted, go to step 1.
NO - If the MCM was updated, troubleshooting is complete. If the MCM was substituted, replace the original MCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.