23 · Diagnostics

Variant coding error

Fault diagnosisVariant coding error

VARIANT CODING ERROR

1.1, 1.2 8v

The diagnostic equipment signals the following error: "C1881 Variant error: the brake control unit is not suitable for the engine type"

1.3 JTD 16v

The diagnostic equipment signals the following error: "C1881 Variant error: the brake control unit is not suitable for the engine type"

1.1, 1.2 8v

This error is signalled if the ABS control unit is not plausible with the engine management control unit

1.3 JTD 16v

This error is signalled if the ABS control unit is not plausible with the engine management control unit

1.1, 1.2 8v

1	ENGINE MANAGEMENT CONTROL UNIT COMPATIBILITY CHECK	All OK	Problems encountered	Operation
	Check that the engine management control unit design number is compatible with the part number for the Model-Version-Series in question.	Move on to Step 2 1	The design number is not compatible	Replace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R and move on to Step 3
2	ABS CONTROL UNIT COMPATIBILITY CHECK	All OK	Problems encountered	Operation
	Check that the ABS control unit design number is compatible with the part number for the Model-Version-Series in question	Move on to Step 3 1	The design number is not compatible	Replace the ABS electrohydraulic control unit with one that is compatible Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT and move on to Step 3
3	CHECK ON CORRECT OPERATION	All OK	Problems encountered	Operation
	Delete the errors using the diagnostic equipment. Turn the key OFF and then ON to check that the error is no longer present	End of diagnosis

1.3 JTD 16v

1	ENGINE MANAGEMENT CONTROL UNIT COMPATIBILITY CHECK	All OK	Problems encountered	Operation
	Check that the engine management control unit design number is compatible with the part number for the Model-Version-Series in question.	Move on to Step 2 1	The design number is not compatible	Replace the engine management control unit Op. 1060G80 DS ELECTRIC INJECTION CONTROL UNIT - R R and move on to Step 3
2	ABS CONTROL UNIT COMPATIBILITY CHECK	All OK	Problems encountered	Operation
	Check that the ABS control unit design number is compatible with the part number for the Model-Version-Series in question	Move on to Step 3 1	The design number is not compatible	Replace the ABS electrohydraulic control unit with one that is compatible Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT and move on to Step 3
3	CHECK ON CORRECT OPERATION	All OK	Problems encountered	Operation
	Delete the errors using the diagnostic equipment. Turn the key OFF and then ON to check that the error is no longer present	End of diagnosis

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