C1657 TOYOTA - Hybrid Powertrain Control Module
- Faulty Hybrid Powertrain Control Module
- Hybrid Powertrain Control Module harness is open or shorted
- Hybrid Powertrain Control Module circuit poor electrical connection
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1657 Toyota DescriptionThis Diagnostic Trouble Code (DTC) is stored when the Parking Assist ECU receives a hybrid control system malfunction signal from the hybrid control system via CAN communication.
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