[Previous][Next]
DTC U1199 Chassis No. not programmed
 
 
caution
  • If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C, CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.
 
 
OPERATION
VIN (chassis number) is written in the EPS-ECU.
 
 
 
TROUBLE JUDGMENT
Check Conditions
  • Engine start
Judgment Criterion
  • When VIN (chassis number) is not written to EPS-ECU
Fail Safe, Back Up Function
  • The EPS-ECU sets DTC U1199.
 
 
 
TROUBLESHOOTING HINTS
  • Malfunction of CAN bus line
  • Chassis No. not programmed
  • Malfunction of the EPS-ECU
 
 
 
 
DIAGNOSIS
1. scan tool (M.U.T.-IIISE) CAN bus diagnostics
2. Replace the EPS-ECU (Refer to ).