Engine Controls - Can't Check Oil Level Or No Oil Temp. Display

Oil level query in instrument cluster not possible or an oil temperature is not displayed in the AMG menu.

Topic number LI15.12-P-054772

Version 1

Design group 15.12 DI ignition system

Date 10-15-2012

Validity 166.074/ 874
172.475
212.074/274
216.374
218.374/974
221.074/174
231.474
463.272/273

Reason for change Version 1

Complaint:
Not possible to check oil level or oil temperature is not displayed in instrument cluster in the AMG menu.

Note:
Fault code U104787 (Communication with oil sensor has a malfunction. Message missing) is stored in the engine control unit.

Cause:
Interfering impulses on LIN bus and supply line of oil sensor through ignition coils

Remedy:

1. Check part numbers of installed ignition coils.

If ignition coils with a part number A 276 906 0160 are installed, replace all ignition coils as per parts information.

2. If coils with other numbers are installed, submit DTS case, including the initial quick test, control unit log and fault freeze frame data

Note for model series 166:

Observe part description notes for ignition coils for cylinder 1 and 5!








Symptoms





Control unit/fault code





Parts





Work units





WIS-References