DTC B1089[F0] Security Lock Not Implemented (Wireless Access Module (Mid-version/Lo-version [Except Passive Entry and Start System]))

1. Wireless access module system check

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Mid-version/Lo-version [Except Passive Entry and Start System])) Diagnostic system check-Wireless Access Module (Mid-version/Lo-version [Except Passive Entry and Start System])".

2. Wireless access module programming verification

1) Observe the ECU Lock Status parameter of the wireless access module on the scan tool. Is lock displayed on the ECU Lock Status parameter?

Yes

=>Go to Current DTC check.

No

Perform ECU lock to the wireless access module using a scan tool.

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module setting (without passive entry and start system)".

=>Go to Current DTC check.

3. Current DTC check

1) Turn OFF the ignition switch.

2) Turn ON the ignition switch.

3) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to Wireless access module replacement.

No

=>Go to Repair verification.

4. Wireless access module replacement

Note

  • After replacing the wireless access module, programming must be performed.

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module removal".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module installation".

Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control wireless access module setting (without passive entry and start system)".

Procedure completion

=>Go to Repair verification.

5. Repair verification

1) Turn OFF the ignition switch.

2) Turn ON the ignition switch.

3) Observe the DTC information with a scan tool.