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DTC U1415 Coding not completed/Date fail
 
 
caution
  • If DTC U1415 is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
When the coding data is not registered, OSS-ECU sets the DTC U1415, and flashes the indicator of engine switch in orange.
 
 
DTC SET CONDITION
Check Conditions
  • When all the following conditions are met.
    1. Coding is not completed.
    2. For 5 seconds since the start of the reception of ignition status signal (ON or during cranking) transmitted from ETACS-ECU.
Judgment Criterion
  • Any of the coding is not completed normally.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of the CAN bus line
  • Variant coding for ETACS-ECU has not been implemented.
  • Malfunction of OSS-ECU
  • ETACS-ECU malfunction
 
 
DIAGNOSIS
1. Using scan tool MB991958, diagnose the CAN bus line.
2. ETACS-ECU DTC check
3. OSS-ECU DTC recheck