DTC U0115:00

Communication error to PCM (local CAN between TCM and PCM)

DETECTION CONDITION

• Under the following condition, the TCM cannot receive the signal from PCM (local CAN between TCM and PCM):

• Battery voltage is 10 V or more.

Diagnostic support note

• The check engine light illuminates if the TCM detects the above malfunction condition during the first drive cycle.

• The automatic transaxle warning light does not illuminate.

• PENDING CODE is available.

• FREEZE FRAME DATA is available.

• DTC is stored in the TCM memory.

FAIL-SAFE FUNCTION

• Set to TCC control.

• Inhibits learning control.

• Inhibits manual mode.

• Inhibits neutral idle control.

• Inhibits AAS.

• Inhibits 5GR and 6GR.

• Inhibits shift down when the accelerator pedal is depressed.

POSSIBLE CAUSE

• PCM DTC is stored.

• PCM malfunction

• TCM malfunction

SYSTEM WIRING DIAGRAM

Not applicable

STEP

INSPECTION

ACTION

1

• Has the freeze frame data/snapshot data been recorded on the repair order?

Yes

Go to the next step.

No

Record the freeze frame data/snapshot 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

• Perform the PCM DTC inspection using the M-MDS.

  (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-G 2.5].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-G 2.5].)

No

PCM can be considered the cause.

• Replace the PCM, then go to the next step.

  (See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5].)

4

• Clear the DTC using the M-MDS.

  (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FW6A-EL].)

• Perform the following procedure to ensure that the DTC has been resolved:

• Switch the ignition ON (engine off or on).

• Perform the DTC inspection using the M-MDS.

  (See ON-BOARD DIAGNOSTIC SYSTEM DTC INSPECTION [FW6A-EL].)

• Is the same DTC present?

Yes

Replace the control valve body, then go to the next step.

(See CONTROL VALVE BODY REMOVAL/INSTALLATION [FW6A-EL].)

No

Go to the next step.

5

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [FW6A-EL].)

No

DTC troubleshooting completed.