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DTC B2206: Chassis No. mismatch
 
 
cautionIf the DTC B2206 is set to SRS-ECU, be sure to diagnose the CAN bus line.
 
 
DTC SET CONDITION
If the registered chassis number is different from the chassis number transmitted on the CAN bus lines, the SRS-ECU sets the DTC B2206. DTC B2206 will also be set when the SRS-ECU that has been removed from another vehicle is installed.
 
 
TROUBLESHOOTING HINTS
  • Chassis number not written
  • Installation of SRS-ECU removed from another vehicle
  • Malfunction of the SRS-ECU
  • Malfunction of engine control module
  • Malfunction of CAN bus line