DTC P0882 [AW6A-EL, AW6AX-EL]
id050211802800
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DTC P0882 |
TCM B+ low |
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DETECTION CONDITION
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• Voltage of less than 9 V detected at TCM terminals A1 and A11 when engine is running.
Diagnostic support note:
• This is a continuous monitor (CCM).
• The MIL illuminates if the TCM detects the above malfunction condition during the first drive cycle.
• A PENDING CODE is not available.
• FREEZE FRAME DATA is available.
• The AT warning light illuminates.
• The DTC is stored in the TCM memory.
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POSSIBLE CAUSE
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• Melted METER IG 15 A fuse
• Melted TCM 10 A fuse
• Open circuit in wiring harness between TCM 10 A fuse and TCM terminal A1
• Open circuit in wiring harness between METER IG 15 A fuse and TCM terminal A11
• Open circuit in wiring harness between TCM terminal A9 and body ground
• Short to ground in wiring harness between TCM 10 A fuse and TCM terminal A1
• Short to ground in wiring harness between ROOM 15 A fuse and TCM terminal A11
• Poor connection of TCM connector
• TCM malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has the FREEZE FRAME DATA been recorded on the repair order?
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Yes
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Go to the next step.
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No
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Record the FREEZE FRAME DATA on the repair order, then go to the next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Verify related repair information availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to the available repair information.
• If the vehicle is not repaired, go to the next step.
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No
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Go to the next step.
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3
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INSPECT FUSE
• Turn the ignition switch to the LOCK position.
• Inspect the following fuses for proper installation and failure.
• Is it normal?
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Yes
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Go to the next step.
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No
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• If the fuse is not installed correctly, install it correctly, then go to Step 9.
• If fuse has been melted, replace it, then go to Step 9.
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4
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INSPECT FUSE TERMINAL FOR POOR CONNECTION
• Turn the ignition switch to the LOCK position.
• Inspect the following fuses for poor connection (such as damaged, corrosion)
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 9.
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No
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Go to the next step.
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5
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INSPECT TCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch to the LOCK position.
• Disconnect the TCM connector.
• Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the terminal, then go to Step 9.
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No
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Go to the next step.
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6
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INSPECT POWER CIRCUIT FOR SHORT TO GND
• Turn the ignition switch to the LOCK position.
• Disconnect both battery cables.
• Disconnect the TCM connector.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to GND, then go to Step 9.
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No
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Go to the next step.
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7
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INSPECT POWER CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch to the LOCK position.
• Inspect for continuity between the following circuits:
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to Step 9.
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8
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INSPECT GND CIRCUIT FOR OPEN CIRCUIT
• Turn the ignition switch to the LOCK position.
• Inspect for continuity between TCM terminal A9 (wiring harness-side) and body GND.
• Is there continuity?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness for a possible open circuit, then go to the next step.
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9
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VERIFY TROUBLESHOOTING OF DTC P0882 COMPLETED
• Make sure to reconnect all the disconnected connectors.
• Clear the DTC from the memory using the M-MDS.
• Start the engine and warm it up completely.
• Is same DTC present?
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Yes
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Replace the TCM, then go to the next step.
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No
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Go to the next step.
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10
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VERIFY AFTER REPAIR PROCEDURE
• Perform the “After Repair Procedure”.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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