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Home >> Toyota >> 2021 >> Prius LE AWD-e >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Dynamic Radar Cruise Control System - Diagnostic Codes & Circuit Tests >> Dynamic Radar Cruise Control System >> DTC U0594-81: Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received [07/2020 - ] >> Description
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DTC U0594-81: Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received [07/2020 - ]: Description

If the hybrid vehicle control ECU cannot recognize the forward recognition camera. DTC U0594-81 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0594-81 Invalid Data Received from Hybrid Powertrain Control Module Invalid Serial Data Received Approximately 17 seconds or more after the power switch is turned on (IG), the hybrid vehicle control ECU cannot recognize the forward recognition camera for approximately 2 seconds or more. Hybrid vehicle control ECU Radar Cruise2