DTC U0338-09: Error Light Switch Signal Received From Start Stop Unit: Notes
WARNING: This page is about a different car, the 2018 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0338:09 (Front Body Control Module (FBCM)) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Error Light Switch Signal Received From Start Stop Unit |
| Detection Condition |
- Front body control module (FBCM) receives the CAN error signals from the start stop unit 3 timescontinuously with the ignition switched ON (engine off or on).
|
| Fail-Safe Function |
- If DTC U0338:09 is detected when the ignition is switched ON (engine off or on), the headlight LO and the TNS (parking lights) are illuminated.
- If DTC U0338:09 is cleared, the headlight LO and the TNS (parking lights) are turned off, and the operation returns to normal.
- Operate the windshield wiper at low speed only when the windshield wiper switch is at LO or HI.
|
| Possible Cause |
- DTCs are stored in the start stop unit.
- Start stop unit malfunction
- Front body control module (FBCM) malfunction
|
| System Wiring Diagram |
Not applicable |