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DTC No.U119A: Chassis No. mismatch
 
 
caution
  • If there is any problem in the CAN bus lines, an incorrect DTC may be set. Prior to this diagnosis, diagnose the CAN bus lines.
  • Whenever the ECU is replaced, ensure that the CAN bus lines are normal.
  • When DTC No.U119A is set in AWD-ECU, the DTC may also be set in ETACS-ECU. When the DTC is set in ETACS-ECU, perform the diagnosis of the DTC for ETACS-ECU first.
 
 
OPERATION
AWD-ECU receives the chassis number stored in ETACS-ECU via CAN bus lines.
 
 
DTC SET CONDITION
This DTC is set when the abnormality below is detected:
  • The chassis number received from ETACS-ECU is not correct.
 
 
TROUBLESHOOTING HINTS
  • Malfunction of the CAN bus line
  • Chassis number not written
  • ETACS-ECU malfunction
  • Malfunction of engine control module
  • Malfunction of AWD-ECU
 
 
DIAGNOSIS
STEP 1. Scan tool (M.U.T.-III) CAN bus diagnostics.
(1)
cautionTo 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).
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.
Is the check result normal?
Go to Step 2.
Repair the CAN bus line (Refer to GROUP 54C - Troubleshooting ).
 
STEP 2. Scan tool (M.U.T.-III) other system DTC
Check the engine DTC (Refer to GROUP 13A - Troubleshooting <2.4 L Engine>, GROUP 13B -Troubleshooting <3.0 L Engine>).
Is the DTC set?
Perform the relevant troubleshooting.
Go to Step 3.
 
STEP 3. Check whether the DTC is set again.
Is DTC No.U119A set?
Replace the AWD-ECU (Refer to ). Then go to Step 4.
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ).
 
STEP 4. Check whether the DTC is set again.
Is DTC No.U119A set?
Return to Step 1.
This diagnosis is complete.