Diagnostic Procedure
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC U007A:00 (TELEMATICS COMMUNICATION UNIT) DIAGNOSTIC PROCEDURE
| Step | Inspection | Results | Action |
|---|---|---|---|
| 1 | INSPECT CAN COMMUNICATION LINE
|
Yes | Replace the telematics communication unit and perform the repair completion verification. (See TELEMATICS COMMUNICATION UNIT REMOVAL/INSTALLATION .) |
| No | Repair or replace the malfunctioning location and perform the repair completion verification. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .) |
||
| Repair completion verification | VERIFY IF OTHER DTC IS DISPLAYED
|
Yes | Repair the malfunctioning location according to the applicable DTC troubleshooting. |
| No | DTC troubleshooting completed. |