DTC U0074-00: Can System Communication Error (Local Can Between Pcm And TCM): Notes
DTC U0074-00 PCM (SKYACTIV-G 2.5T) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC U0074-00 |
CAN SYSTEM COMMUNICATION ERROR (LOCAL CAN BETWEEN PCM AND TCM) |
| DETECTION CONDITION |
- Malfunction in CAN bus communication line.
Diagnostic support note
- This is a continuous monitor (other).
- The check engine light does not illuminate.
- FREEZE FRAME DATA is not available.
- Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
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| POSSIBLE CAUSE |
- CAN communication line malfunction between PCM and TCM (local CAN between PCM and TCM)
- TCM terminal G-PCM terminal 1A
- TCM terminal H-PCM terminal 1B
- TCM DTC is stored.
- PCM malfunction
- TCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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