Vauxhall Workshop Service and Repair Manuals > Astra F > J Engine and Engine Aggregates | Fuel Injection Systems | Motronic M 2.8 | Control Unit | Description and Operation

Trouble Code Table; Engine Control Units

Engine management system			Cause of Fault
Multec/Diesel	Simtec	Motronic
83	59	143	Immobiliser not initialised or incorrectly initialised
84	93	144	No imo signal received
85	94	145	Incorrect imo signal received

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