DTC P1AAB: Cell Numbers Error
caution
Whenever ECU is replaced, ensure that the CAN bus lines are normal.
TROUBLE JUDGMENT
Check Conditions
The power supply mode of the electric motor switch is ON, or the main drive lithium-ion battery starts to be charged
Judgment Criterion
The abnormal number of the cell is detected.
FAIL-SAFE AND BACKUP FUNCTION
Not available
PROBABLE CAUSES
The battery management unit (BMU) or the main drive lithium-ion battery is incorrectly installed.
DIAGNOSIS
1.
Numbering the CMU ID procedure (Refer to
).
2.
Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
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).