DTC B2170 [ADVANCED KEYLESS ENTRY AND START SYSTEM]

id09021g802500

DTC B2170 | Push switch (steering lock unit)
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DETECTION CONDITION | Detect the push switch OFF signal when ignition switch is ON position
POSSIBLE CAUSE | • Steering lock unit malfunction • Open or short circuit in wiring harness between keyless control module and steering lock unit • Keyless control module malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | INSPECT COMMUNICATION CIRCUIT FOR CONTINUITY • Disconnect keyless control module connector and steering lock unit connector. • Is there continuity between keyless control module terminal 3E and steering lock unit terminal E? | Yes | Replace the steering lock unit and perform the resetting procedure for the steering lock unit. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
No | Repair the wiring harness between the steering lock unit and keyless control module.
2 | INSPECT KEYLESS CONTROL MODULE • Clear the DTC using the M-MDS. • Turn the ignition switch to the ON position. • Is the DTC displayed? ― M-MDS: B2170 | Yes | Replace the keyless control module and perform the resetting procedure for the advanced keyless system when replacing the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No | DTC troubleshooting completed.