P1566
DTC P1566 (42): Motor Commutation Sensor Signal Problem1. Reset the MCM.
2. Start the engine.
Is DTC P1566 indicated?
YES-
^ Check for poor connections at the motor commutation sensor connector.
^ Check for loose terminals at the motor commutation sensor shield ground wire.
^ Update the MCM if it does not have the latest software, or substitute a known-good MCM, then recheck. If the symptom/indication goes away with a known-good MCM, replace the original MCM.
NO-Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the motor commutation sensor and at the MCM.