Code No.U0230
Power Gate CAN Timeout
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caution |
- If diagnosis
code No. U0230 is set, be sure to diagnose the CAN bus line.
- When replacing the radio and CD player, always check that the communication circuit
is normal.
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If the signal from electric tailgate control unit cannot be received, the radio and CD
player sets the diagnosis code No. U0230.
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With the statuses that the ignition switch is at ON position, system voltage is 10 -
16
V (data from ETACS-ECU), and there is no malfunction to the power supply fuse (IOD fuse), or odometer
value is 80.5 km or more, if the communication with electric tailgate control unit cannot be
established for 2,500 ms or more, the radio and CD player determines that a problem has occurred.
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- Malfunction of CAN bus line
- Malfunction of electric tailgate control unit
- Malfunction of radio and CD player
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STEP 1. M.U.T.-III CAN bus diagnostics
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Use the M.U.T.-III to diagnose the CAN bus lines.
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Q.
Is the check result normal?
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Go to Step 2.
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Repair the CAN bus line (Refer to GROUP 54C -
Troubleshooting ).
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STEP 2. M.U.T.-III other system diagnosis code
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Check again if the diagnosis code is set to the electric tailgate control unit.
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Q.
Is the diagnosis code set?
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Troubleshoot the electric tailgate control unit (Refer to GROUP 42A -
Tailgate <vehicles
with electric tailgate> -
Diagnosis Code Chart ), and
then go to Step 3.
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Go to Step 3.
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STEP 3. Check the M.U.T.-III Diagnosis code for other systems
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Check if the diagnosis code No. U0230 is set to ETACS-ECU.
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Q.
Is the diagnosis code set?
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Go to Step 4.
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Go to Step 5.
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STEP 4. Diagnosis code recheck
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Check again if the diagnosis code is set to the radio and CD player.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
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(3)Check if the diagnosis code is set.
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Q.
Is the diagnosis code set?
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Replace the electric tailgate control unit.
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A poor connection, open circuit or other intermittent malfunction in the CAN bus
line between the radio and CD player and the electric tailgate control unit. (Refer to GROUP
00 -
How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent
Malfunction .)
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STEP 5. Check whether the diagnosis code is reset.
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Check again if the diagnosis code is set to the radio and CD player.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from the "LOCK" (OFF) position to the "ON" position.
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(3)Check if diagnosis code is set.
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Q.
Is the diagnosis code set?
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Replace the radio and CD player.
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A poor connection, open circuit or other intermittent malfunction in the CAN bus
line between the radio and CD player and the electric tailgate control unit. (Refer to GROUP
00 -
How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent
Malfunction .)
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