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Description
This dtc is output when a key code that has not been registered in the transponder key ecu is inserted into the ignition key cylinder.
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Inspection procedure
Ok: engine starts.

End
Unmatched encryption code
CommunicationRoad test
Problem symptom confirmation
Based on the result of the customer problem
analysis, try to reproduce the symptoms. If the
problem is that the transaxle does not shift up, shift
down, or the shift point is too high or too low,
conduct the following road test referring to the
automat ...
How to proceed with troubleshooting
Hint:
Use the following procedures to troubleshoot the occupant
classification system.
*: Use the intelligent tester.
Vehicle brought to workshop
Passenger airbag on/off indicator check
Dtc check (present and past dtc)*
Check for dtcs (see page rs-249 ).
Result ...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the key reminder
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
Hint:
If the voltage is below 11 v, recharge or replace the battery
before proceedi ...