U1004 Diagnostic Trouble Code Discussion for October 2024
CAN 'C' Bus Transmit Performance
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| Help Request | Posted | |
| 2012 Hyundai Sonata Hybrid 2.4L Surge, Cuts out, Stall VIN: KMHEC4A41C U1004: lost comm w/ hybrid cont unit. The trans does not shift well. After driving, it will start to have trans go in&out of gear, will rev&slam into gear, then a warning will chime on dash and it will no longer want to move. It may also stall at this point.PUll codes & erase- it w... |
October 28, 2024 |
