DTC P0606-94: Hybrid/EV Powertrain Control Module Processor Unexpected Operation [11/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (HYBRID CONTROL)
- Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
Result
Result Proceed to P0606-94 only is output. A DTCs except P0606-94 are output. B - Turn the ignition switch off.
Result:
A
REPLACE HYBRID VEHICLE CONTROL ECU. Refer to REMOVAL [11/2023 - ]
Result:
B
GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]
- Check for DTCs.