22 · Diagnostics

U1706 - rete can (ncm - nfr)

Make: Fiat
Model: Croma Factory Service Manual
Year: 2005–2010
Section: Examiner - electronic diesel management › U1706 - rete can (ncm - nfr)

Fault diagnosisU1706 - rete can (ncm - nfr)

U1706 - RETE CAN (NCM - NFR)

1.9 JTD 8v, 1.9 JTD 16v, 2.4 JTD 20v

The diagnostic equipment signals: Error U1706 (CAN (NCM – NFR)).

This error is detected if the control module detects a fault in the ABS.

0	Preliminary checks	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that there are no other errors in the engine management system and ABS using the diagnostic equipment	Move on to Step 1	There are also other errors present	Continue according to the instructions for the diagnostic equipment for the errors present
1	Error deletion	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Turn the ignition key to the OFF position. Wait for at least 30 secs. Delete the errrors and carry out a road test, trying to reproduce the conditions that caused the error. Check that the error does not occur again	End of diagnosis	Error U1706 is present	Replace the ABS control unit and move on to Step 2 Op. 3340A20 ABS ELECTRONIC CONTROL UNIT - R+R
2	Correct operation check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the fault has disappeared	End of diagnosis	The fault persists	Repair the original ABS control unit and replace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

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