DTC P0882

TCM B+ low (less than 9 V)

DETECTION CONDITION

• Voltage of less than 9 V detected at TCM terminal 1AD when engine is running.

Diagnostic support note:

• The MIL does not illuminate 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 not illuminates.

• The DTC is stored in the TCM memory.

POSSIBLE CAUSE

• Melted ROOM 15 A fuse

• Open circuit in wiring harness between ROOM 15 A fuse and TCM terminal 1AD

• Short to ground in wiring harness between ROOM 15 A fuse and TCM terminal 1AD

• Poor connection of TCM connector

• Alternator malfunction

• TCM malfunction

STEP

INSPECTION

ACTION

1

• Has the FREEZE FRAME DATA been recorded?

Yes

Go to the next step.

No

Record the FREEZE FRAME DATA on the repair order, then go to the next step.

2

• Verify related Service Bulletins and/or on-line repair 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.

3

• Turn the ignition switch to the LOCK position.

• Inspect ROOM 15 A fuse for malfunction.

• Is it normal?

Yes

Go to the next step.

No

• If fuse has been melted, go to the next step.

• If fuse is not installed correctly, install it correctly, then go to Step 8.

4

• Inspect for voltage TCM terminal 1AD (wiring harness-side).

• Is the voltage B+?

Yes

Go to the next step.

No

Go to Step 6.

5

• Turn the ignition switch to the LOCK position.

• Disconnect the TCM connector.

• Inspect for poor connection at TCM terminals 1AD (such as damaged/pulled-out pins, corrosion).

• Is terminal normal?

Yes

Go to Step 8.

No

Repair or replace the connector and/or terminal, then go to Step 8.

6

• Disconnect the positive battery cable.

• Inspect for continuity between the fuse terminals and body ground.

• ROOM 15 A fuse terminal and body ground

• Is there continuity?

Yes

Repair or replace the wiring harness and install new fuse, then go to Step 8.

No

Go to the next step.

7

• Inspect for continuity between TCM terminal and fuse terminals (wiring harness-side).

• Terminal 1AD and ROOM IG 15 A fuse

• Is there continuity?

Yes

Go to the next step.

No

Repair or replace the harness, then go to the next step.

8

• 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?

Yes

Replace the TCM, then go to the next step.

(See TCM REMOVAL/INSTALLATION [SJ6A-EL].)

No

Go to the next step.

9

• Perform the “After Repair Procedure”.

  (See AFTER REPAIR PROCEDURE [SJ6A-EL].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SJ6A-EL].)

No

Troubleshooting completed.