DTC B1033[61] TPMS Auto Location Error (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. Prioritized DTC check

1) Connect the scan tool.

2) Turn OFF the ignition switch.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool. Is DTC U1821[86] set at the same time?

Yes

Go to the applicable DTC diagnosis.

Refer to "71.Security and Locks Control 10S.Troubleshooting(Wireless Access Module (Mid-version/Lo-version [Except Passive Entry and Start System])) DTC U1821[86] Invalid Data Received from ABS".

No

=>Go to EHCU DTC check.

3. EHCU DTC check

1) Observe whether a wheel speed sensor DTC is set in the EHCU on a scan tool. Is a wheel speed sensor DTC set in the EHCU?

Yes

Go to the applicable DTC diagnosis.

No

Test run

4. Test run

1) Perform a test drive in which the accumulated driving time is 10 minutes or more at 30 km/h {19 mph} or more.

2) Stop the vehicle.

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.

5. Wireless access module replacement

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.

6. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch.

3) Turn ON the ignition switch.

4) Perform a test drive in which the accumulated driving time is 10 minutes or more at 30 km/h {19 mph} or more.

5) Observe the DTC information with a scan tool.