U0312
Software Incompatibility With Battery Energy Control Module "A"
OBD-II
Wiring / network
Seeing U0312?
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U0001
High Speed CAN Communication Bus
Wiring / networkHigh
U0002
High Speed CAN Communication Bus Performance
Wiring / networkHigh
U0003
High Speed CAN Communication Bus (+) Open
Wiring / networkHigh
U0004
High Speed CAN Communication Bus (+) Low
Wiring / networkHigh
U0005
High Speed CAN Communication Bus (+) High
Wiring / networkHigh
U0006
High Speed CAN Communication Bus (-) Open
Wiring / networkHigh
U0007
High Speed CAN Communication Bus (-) Low
Wiring / networkHigh
U0008
High Speed CAN Communication Bus (-) High
Wiring / networkHigh
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.