DTC B1143 ESL status fail: 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. After performing the locking and unlocking operations of the electric steering lock, recheck the diagnostic trouble code.
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?
1. YES: Replace the electric steering lock and register the VIN (Refer to REGISTRATION WHEN REPLACING OSS-ECU ). Then go to Step 2.
2. NO: Go to Step 2.
STEP 2. Check whether the diagnostic trouble code is stored again.
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?
1. YES: Replace the OSS-ECU and register the VIN (Refer to REGISTRATION WHEN REPLACING OSS-ECU ).
2. NO: Intermittent malfunction is suspected (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).