DTC U0302-00: TCM Processor Error (PYUL)
WARNING: This page is about a different variant/trim than selected.
U0302: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
TCM processor error |
| Detection condition |
- Any one of the following conditions is met:
- CAN bus communication line malfunction between TCM and PCM
- TCM internal malfunction
|
| Fail-safe |
- Inhibits engine-stop by i-stop control.
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between TCM and PCM (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- DTCs are stored in the following modules.
- TCM malfunction (Refer to [CONTROL VALVE BODY REMOVAL/INSTALLATION
]
).
- PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION
]
).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
PCM |
| 2 |
TCM |