Wireless Control Module (WCM) - With Diagnostics
- General Information
- Special Tool
- Diagnosis
- Standard Flow Of Diagnostic Troubleshooting
- Diagnostic Function
- Warnings/Alarms (Vehicles Without Color Liquid Crystal Display)
- Warnings/Alarms (Vehicles With Color Liquid Crystal Display)
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC B1731: Engine control module communication timeout
- DTC B1761: VIN code not programmed
- DTC B1A08: Keyless/KOS key1 performance; DTC B1A09: Keyless/KOS key2 performance; DTC B1A0A: Keyless/KOS key3 performance; DTC B1A0B: Keyless/KOS key4 performance; DTC B1A0C: Keyless key 5 performance; DTC B1A0D: Keyless key 6 performance; DTC B1A0E: Keyless key 7 performance; DTC B1A0F: Keyless key 8 performance
- DTC B1A10: Keyless/KOS key 1 low battery; DTC B1A11: Keyless/KOS key 2 low battery; DTC B1A12: Keyless/KOS key 3 low battery; DTC B1A13: Keyless/KOS key 4 low battery; DTC B1A14: Keyless key 5 low battery; DTC B1A15: Keyless key 6 low battery; DTC B1A16: Keyless key 7 low battery; DTC B1A17: Keyless key 8 low battery
- DTC B1A24: Key ID not registered
- DTC B1A25: Key ID unmatched
- DTC B1A28: Engine control module authenticate error
- DTC B1A35: Transponder read error
- DTC B2101: IG SW start POS.circuit low; DTC B2102: IG SW start POS.circuit high
- DTC B2204: Coding data mismatch
- DTC B2206: VIN code mismatch
- DTC B2352: Antenna fail
- DTC B2401: Keyless/KOS key ID not register
- DTC B2416: ECU internal error
- DTC C1608: EEPROM Error
- DTC C1900: No Registration
- DTC C1901: Vehicle speed information abnormality
- DTC C1910: Transmitter low battery voltage abnormality 1; DTC C1920: Transmitter low battery voltage abnormality 2; DTC C1930: Transmitter low battery voltage abnormality 3; DTC C1940: Transmitter low battery voltage abnormality 4; DTC C1911: Reception abnormality 1; DTC C1921: Reception abnormality 2; DTC C1931: Reception abnormality 3; DTC C1941: Reception abnormality 4
- DTC C1912: Tire inflation pressure warning 1; DTC C1922: Tire inflation pressure warning 2; DTC C1932: Tire inflation pressure warning 3; DTC C1942: Tire inflation pressure warning 4
- DTC C1913: Acceleration sensor abnormality 1; DTC C1923: Acceleration sensor abnormality 2; DTC C1933: Acceleration sensor abnormality 3; DTC C1943: Acceleration sensor abnormality 4; DTC C1914: Pressure sensor abnormality 1; DTC C1924: Pressure sensor abnormality 2; DTC C1934: Pressure sensor abnormality 3; DTC C1944: Pressure sensor abnormality 4
- DTC C1915: Transmitter OFF mode 1; DTC C1925: Transmitter OFF mode 2; DTC C1935: Transmitter OFF mode 3; DTC C1945: Transmitter OFF mode 4
- DTC U0019: Bus off (CAN-B)
- DTC U0141: ETACS-ECU CAN timeout
- DTC U0151: SRS-ECU CAN timeout
- DTC U0154: Occupant classification-ECU CAN timeout
- DTC U0155: Combination meter CAN timeout
- DTC U0164: A/C-ECU (vehicles with A/C) or heater control unit (vehicles without A/C) CAN timeout
- DTC U1412: Implausible vehicle speed signal received
- DTC U1415: Coding not completed/Data fail
- Code No. U1417 Implausible coding data
- Data List Reference Table
- Trouble Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: Scan tool cannot communicate with WCM
- Inspection Procedure 2: The ignition key cannot be registered using scan tool
- Inspection Procedure 3: Engine does not start
- Inspection Procedure 4: Abnormality in WCM power supply and ground circuits
- Inspection Procedure 5: Keyless entry system does not work
- Inspection Procedure 6: Keyless entry hazard light answer back function, the dome light answer back function or the horn answer back function does not work normally
- Inspection Procedure 7: The timer lock function does not work after the doors have been unlocked by the keyless entry system
- Inspection Procedure 8: Power door locks with selective unlocking does not work
- Check At Ecu Terminals
- On-Vehicle Service
- WCM
- Transmitter
- TPMS Transmitter