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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Hybrid Control System (HEV) - Diagnostic Codes (1 Of 4)) >> HYBRID CONTROL SYSTEM (for M20A-FXS) >> DTC P0606-94: Hybrid/EV Powertrain Control Module Processor Unexpected Operation [12/2022 - ] >> Description

DTC P0606-94: Hybrid/EV Powertrain Control Module Processor Unexpected Operation [12/2022 - ]: Description

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The hybrid vehicle control ECU monitors its internal operation and will store these DTCs when it detects an internal malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate DTC Output from Priority Note
P0606-94 Hybrid/EV Powertrain Control Module Processor Unexpected Operation The main CPU value received by the sub CPU of the hybrid vehicle control ECU exceeds the threshold for a certain period of time.
(1 trip detection logic)
Hybrid vehicle control ECU Comes on Master Warning:
Comes on
Hybrid Control A SAE Code:
P0606