How to Solve Liebherr Machine ECU2 P1119 SCR System Plausibility Error

This instruction show you guide on how to solve Liebherr machine ECU2 P1119-00 trouble code SCR system (air pump sensor) plausibility error.

 

 

Related Contents:

2026 LIEBHERR LiDIA Diagnostic Software

Liebherr Diagnostic Tool with 9 Pin Cable

 

 

Compatible Liebherr Engine Type:

D9508 A7-04, D9512 A7-04, D976 A7-04

D9512 A7-04

D9508 A7-04, D9512 A7-04

D966 A7-04, D966 A7-05

D9512 A7-04

 

Troubleshooting:

Change urea pump / nozzle

Check air lines (upstream and downstream compressor), if it is dirty please change and use LIDIA routine from the “SCR dashboard” for first filling

Check sensor harness connections of AdBlue pressure sensor and air pressure sensor.

 

BMK

 

 

Component Location

EATS All versions

D956-D966 A7-04 (SCR only)

D956-D966 A7-05 StageV (SCR Filter)

 

 

D9512 A7 04-05-StageV

 

Primary (A700)

Secondary (A760)