DTC U0302-00: TCM Processor Error: Outline
DTC U0302:00 (PCM, VINs 7, L, M) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
TCM processor error |
| Detection condition |
- When any of the following conditions is met:
- CAN communication line malfunction between TCM and PCM
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| Fail-safe |
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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 detects DTCs.
- CAN drive error (TCM or PCM)
- TCM malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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