DTC P0882:00 [DJVA-EL]


id050212823100

DTC P0882:00

Battery back-up voltage low

DETECTION CONDITION
•  Condition: TCM communication normal while engine is idling
•  Status: Detects terminal VB current of 9.05 V or less
•  Period: Confirmed 20 times continuously for 1 s or more
Diagnostic support note
•  The AT warning light does not illuminate.
•  PENDING CODE is not available.
•  The DTC is stored in the TCM memory.
POSSIBLE CAUSE
•  Melt down ENG+B 10A fuse
•  ENG+B 10A fuse connector or terminal malfunction
•  Battery positive terminal malfunction
•  Battery malfunction
•  Short to GND in wiring harness between battery positive terminal and TCM terminal A24
•  TCM connector or terminal malfunction
•  Open circuit in wiring harness between battery positive terminal and TCM terminal A24
•  TCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related service information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
INSPECT ENG +B 10A FUSE
•  Switch the ignition to OFF.
•  Disconnect the negative battery cable.
•  Inspect the ENG +B 10A fuse for proper installation and failure.
•  Is it normal?
Yes
Go to the next step.
No
•  If the fuse is not installed correctly, install it correctly, then go to Step 10.
•  If fuse has been melted, replace it, then go to Step 8.
3
INSPECT ENG +B 10A FUSE TERMINAL FOR POOR CONNECTION
•  Switch the ignition to OFF.
•  Inspect for poor connection (such as damaged, corrosion)
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 8.
No
Go to the next step.
4
INSPECT BATTERY POSITIVE TERMINAL FOR POOR CONNECTION
•  Switch the ignition to OFF.
•  Inspect for poor connection (such as damaged, corrosion)
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 8.
No
Go to the next step.
5
INSPECT BATTERY POSITIVE CIRCUIT FOR SHORT TO GND
•  Switch the ignition to OFF.
•  Disconnect the battery positive terminal.
•  Inspect for continuity between the battery positive terminal (wiring harness-side) and body GND.
•  Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to GND, then go to Step 8.
No
Go to the next step.
6
INSPECT TCM CONNECTOR FOR POOR CONNECTION
•  Switch the ignition to OFF.
•  Disconnect the TCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion)
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 8.
No
Go to the next step.
7
INSPECT BATTERY POSITIVE CIRCUIT FOR OPEN CIRCUIT
•  Switch the ignition to OFF.
•  Disconnect the battery positive terminal.
•  Inspect for continuity between battery positive terminal (wiring harness-side) and TCM terminal A24 (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to the next step.
8
VERIFY TROUBLESHOOTING OF DTC P0882:00 COMPLETED
•  Make sure to reconnect all the disconnected connectors.
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Start the engine.
2.  Idle the engine for 120 s or more.
•  Is the same DTC present?
Yes
Perform the following procedure, then go to next step.
1.  Replace the TCM.
2.  Perform TCM learning.
No
Go to the next step.
9
VERIFY NO DTC HAS BEEN PRESENTED
•  Perform the “Reading DTCs Procedure”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.