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.
note
When 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.-IIISE), diagnose the CAN bus line.
2.
Register the VIN.
3.
Recheck for diagnostic trouble code.
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