Dtc No. 13 / No. 14: Release Signal Error From Steering Lock Unit / Steering Lock Unit Malfunction; Dtc No. 21 / No. 22: Internal Error Of Keyless Start Control Module (Eeprom Reading Error) / (Eeprom Writing Error); Dtc No. 31: Lost Communication With Bcm; Dtc No. 33: Control Module Communication Bus Off - Suzuki 2006 SX4 Service Manual

DTC No. 13 / No. 14: Release Signal Error from Steering Lock Unit / Steering Lock Unit Malfunction

DTC Detecting Condition and Trouble Area
DTC detecting condition
DTC No. 13:
Although lock release signal is output to steering lock unit, no lock
release signal is inputted from steering lock unit.
(wire harness is normal)
DTC No. 14:
Although lock release signal is output to steering lock unit,
steering lock is not released due to temperature rise of steering
lock unit solenoid and no lock release signal is inputted.
(wire harness is normal)
DTC Confirmation Procedure
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition knob switch pushing ignition knob switch.
3) Check DTC referring to "DTC Check".
DTC Troubleshooting
Replace steering lock unit and recheck.
NOTE
Be sure to register the following code when a used keyless start control module is installed. Otherwise
DTC No.13 is detected by keyless start control module though steering lock unit is normal.
• With immobilizer control system, ignition key transponder code is not registered in ECM.
• Without immobilizer control system, steering lock unit ID code is not registered in keyless start
control module.
DTC No. 21 / No. 22: Internal Error of Keyless Start Control Module (EEPROM Reading Error) /
(EEPROM Writing Error)
DTC Detecting Condition and Trouble Area
DTC detecting condition
DTC No. 21:
Data cannot be read from memory in keyless start control module.
DTC No. 22:
Data cannot be written into memory in keyless start control module.
DTC Confirmation Procedure
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition knob switch pushing ignition knob switch.
3) Push request switch of each door.
4) Check DTC referring to "DTC Check".
DTC Troubleshooting
Substitute a known-good keyless start control module and recheck.

DTC No. 31: Lost Communication with BCM

Refer to "Troubleshooting for CAN-DTC in Section 1A".

DTC No. 33: Control Module Communication Bus Off

Refer to "Troubleshooting for CAN-DTC in Section 1A".
Keyless Start System:
Trouble area
• Steering lock unit
Trouble area
• Keyless start control module
10E-25
S6RW0CA504018
S6RW0CA504019
S6RW0CA504020
S6RW0CA504021