DTC P0604: Random Access Memory (RAM) [08/2015 - 08/2018]: Procedure
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Clear DTC (Refer to DTC CHECK / CLEAR [08/2015 - 08/2018] ).
- Turn the ignition switch off.
- Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
- Connect the cable to the negative (-) battery terminal.
- Turn the ignition switch to ON.
- Wait 16 seconds or more.
- Check DTC.
OK
P0604 is not output.
Result:
OK
CHECK FOR INTERMITTENT PROBLEMS
(Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2015 - 08/2018] )
Result:
NG
REPLACE ECM
(Refer to REMOVAL [08/2015 - 08/2018] )