Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| DEF CONTAMINATION |
| DEF INJECTOR RESTRICTION OR BLOCKAGE |
| FROZEN DEF IN PRESSURE LINE AND/OR TANK |
| SUPPLY LINE HEATER INOPERABLE |
| DEF LINE OR FITTINGS RESTRICTED |
| DEF SUPPLY PUMP ASSEMBLY |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .