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)
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