DTC P0942-46; P0942-49; DSC Unit Mismatched Installation: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC |
P0942:46, P0942:49 |
DSC unit mismatched installation |
| DETECTION CONDITION |
- No match between DSC CM ID and DSC HU ID detected
|
| FAIL-SAFE FUNCTION |
- P0942:46
- Illuminates the TCS/DSC indicator light and smart city brake support (SCBS) indicator light (amber) *1
.
- Tire pressure monitoring system warning light *1
illuminates after flashes.
- Inhibits the TCS, DSC, brake assist control, hill launch assist (HLA), TPMS *1
, and smart city brake support (SCBS) controls.
- P0942:49
- Illuminates the ABS warning light *2
, brake system warning light *2
, TCS/DSC indicator light, and smart city brake support (SCBS) indicator light (amber) *1
.
- Tire pressure monitoring system warning light *1
illuminates after flashes.
- Inhibits the ABS *3
, EBD *3
, TCS, DSC, brake assist control, hill launch assist (HLA), TPMS *1
, and smart city brake support (SCBS) *1
controls.
*1
: If equipped.*2
: Not illuminated depending on malfunction content.*3
: Enabled depending on malfunction content. |
| POSSIBLE CAUSE |
- DSC CM ID and DSC HU ID do not match (DSC HU/CM internal malfunction)
|
| SYSTEM WIRING DIAGRAM |
Not applicable |