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DTC B1159 VIN not programmed
DTC B1160 Key code not programmed
 
 
caution
  • If DTC B1159, or B1160 is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the communication circuit is normal.
 
 
DIAGNOSTIC FUNCTION
  • OSS-ECU stores DTC B1159 when the VIN is not written to OSS-ECU, and DTC B1160 when the key code is not written.
    noteWhen OSS-ECU is new, DTC B1159 and B1160 are set simultaneously.
 
 
DTC SET CONDITION
Judgment Criterion
  • VIN or key code has the initial value (not written)
 
 
TROUBLESHOOTING HINT
  • Malfunction of the CAN bus line
  • VIN not written
  • Key code not written
  • Malfunction of OSS-ECU
 
 
DIAGNOSIS
1. Using scan tool (M.U.T.-III), diagnose the CAN bus line.
2. Register the VIN.
3. Recheck for diagnostic trouble code.