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DTC B1142 ESL authenticate error
DTC B1151 OSS authenticate timeout(ESL)
 
 
 
 
DIAGNOSTIC FUNCTION
If the electric steering lock receives any abnormal data from OSS-ECU as a result of the certification communication with electric steering lock, OSS-ECU sets the DTC B1142 and No.B1151. At the same time, OSS-ECU displays the immobilizer certification system inspection warning screen to the multi information display of the combination meter.
 
 
DTC SET CONDITION
Check Conditions
  • At electric steering lock certification
Judgment Criterion
  • As a result of the certification communication with electric steering lock, the electric steering lock receives the abnormal data from OSS-ECU.
 
 
TROUBLESHOOTING HINTS
  • Electric steering lock malfunction (electric steering lock has been interchanged between two vehicles)
  • OSS-ECU malfunction (OSS-ECU has been interchanged between two vehicles)
 
 
DIAGNOSIS
STEP 1. After turning the forced power supply output to "IG-ON" using the scan tool MB991958, check if the DTC B1161 is set.
Is the DTC set?
Carry out the troubleshooting for the DTC B1161. Refer to .
Go to Step 2.
 
STEP 2. After performing the locking and unlocking operations of the electric steering lock, recheck the DTC.
Is the DTC set?
Replace the electric steering lock and register the VIN (Refer to ).
Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).