DTC U0302-00: TCM Processor Error: Notes
DTC U0302:00 (PCM, SKYACTIV-G 2.0) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC U0302:00 |
TCM processor error |
| DETECTION CONDITION |
- When any of the following conditions is met:
- CAN communication line malfunction between TCM and PCM
- TCM internal malfunction Diagnostic support note
- This is a continuous monitor (other).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA/Snapshot data is available.
- DTC is stored in the PCM memory.
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| Fail-safe function |
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| Possible cause |
- TCM connector or terminals malfunction
- PCM connector or terminals malfunction
- CAN communication line malfunction between PCM and TCM (local CAN between PCM and TCM)
- TCM terminal 1AI-PCM terminal 1A
- TCM terminal 1AE-PCM terminal 1B
- TCM DTC is stored.
- CAN drive error (TCM or PCM)
- PCM malfunction
- TCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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