DTC U0074: 00 Can System Communication Error (Local Can Between TCM And Pcm): Notes
DTC U0074:00 (FW6A-EL) - DIAGNOSTIC PROCEDURE
| DTC U0074:00 |
CAN system communication error (local CAN between TCM and PCM) |
| DETECTION CONDITION |
- Under the following condition, a communication error (local CAN between TCM and PCM) occurs:
- Battery voltage is 10 V or more.
Diagnostic support note
- The check engine light does not illuminate.
- The automatic transaxle warning light does not illuminate.
- PENDING CODE is available.
- FREEZE FRAME DATA is not available.
- DTC is stored in the TCM memory.
|
| FAIL-SAFE FUNCTION |
- Set to TCC control.
- Inhibits learning control.
- Inhibits manual mode.
- Inhibits neutral idle control.
- Inhibits AAS.
- Inhibits 5GR and 6GR.
- Inhibits shift down when the accelerator pedal is depressed.
|
| POSSIBLE CAUSE |
- CAN communication line malfunction between TCM and PCM (local CAN between TCM and PCM)
- PCM DTC is stored.
- TCM malfunction
|
| SYSTEM WIRING DIAGRAM |
Not applicable |