DTC P1645: MOTFSB Signal Malfunction: General Description
The motor control module (MCM) sends information about the motor to the engine control module (ECM) via the MOTSTB signal line. If no duty signals are input from the MCM for a set time, the ECM detects a malfunction and stores a DTC.
MONITOR DESCRIPTION CHART
| Execution | Continuous |
| Sequence | None |
| Duration | 5 seconds or more |
| DTC Type | One drive cycle, MIL ON |
ENABLE CONDITIONS CHART
| Condition | Minimum | Maximum |
|---|---|---|
| Battery voltage | 10.05 V | - |
| Ignition switch | ON | |
| No active DTCs | ECM, IMA MOTFSA | |