Hybrid Powertrain Control Module
Table of contents
C1657 TOYOTA Possible Causes
- Faulty Hybrid Powertrain Control Module
- Hybrid Powertrain Control Module harness is open or shorted
- Hybrid Powertrain Control Module circuit poor electrical connection
How do I fix code C1657 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C1657 TOYOTA code
The cost of diagnosing the C1657 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C1657 TOYOTA Description
This 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.