DTC U0168: KOS/WCM CAN Time-out: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Using scan tool (M.U.T.-III), diagnose the CAN bus line
CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
1. Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
2. Turn the ignition switch to the "ON" position.
3. Diagnose the CAN bus line.
4. Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the CAN bus line found to be normal?
- YES: Go to Step 2.
- NO: Repair the CAN bus line (Refer to DIAGNOSIS ).
STEP 2. Using scan tool (M.U.T.-III), read the KOS diagnostic trouble code
Check if DTC is stored to the KOS-ECU.

Q: Is the DTC stored?
- YES: Troubleshoot the KOS. Refer to DTC CHART .
- NO: Go to Step 3.
STEP 3. Using scan tool (M.U.T.-III), read the other system diagnostic trouble code.
Check if DTC U0U0168 is stored in the SRS-ECU, OSS-ECU, combination meter, ETACS-ECU, MMCS or radio and CD player.

CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the power supply mode of the engine switch to the OFF position before connecting or disconnecting scan tool (M.U.T.-III).
1. Connect scan tool (M.U.T.-III). Refer to HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)
2. Erase the DTC.
3. Turn the power supply mode of the engine switch to ON.
4. Check if DTC is stored.
5. Turn the power supply mode of the engine switch to OFF.
Q: Is the DTC stored?
- YES: Go to Step 4.
- NO: Go to Step 5.
STEP 4. Recheck for diagnostic trouble code.
Check again if the DTC is stored in the power liftgate control unit.
1. Erase the DTC.
2. Turn the power supply mode of the engine switch from OFF to ON.
3. Check if DTC is stored.
4. Turn the power supply mode of the engine switch from ON to OFF.
Q: Is the DTC stored?
- YES: Replace the KOS-ECU.
- NO: Intermittent malfunction is suspected (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
STEP 5. Recheck for diagnostic trouble code.
Check again if the DTC is stored in the power liftgate control unit.
1. Erase the DTC.
2. Turn the power supply mode of the engine switch from OFF to ON.
3. Check if DTC is stored.
4. Turn the power supply mode of the engine switch from ON to OFF.
Q: Is the DTC stored?
- YES: Replace the power liftgate control unit.
- NO: Intermittent malfunction is suspected (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).