![Forums / Technical Questions / Lexia - Permanent Fault - Engine Relay Unit ECU mute on CAN - C4 - DS4 Owners Forums / Technical Questions / Lexia - Permanent Fault - Engine Relay Unit ECU mute on CAN - C4 - DS4 Owners](http://c4owners.org/plugins/forum/attachment/16226/1300215983_16226_FT0_2011-03-15_18.22.10.jpg)
Forums / Technical Questions / Lexia - Permanent Fault - Engine Relay Unit ECU mute on CAN - C4 - DS4 Owners
Citroen C3 Owners - Don't Panic. 'ECONOMY MODE ACTIVE' is the C3 system to limit the battery drain. As soon as the engine is started again, ECO MODE will clear. If the
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