9999 EMC DS-2000 Recall

Campaign:

03E003000 on 02/03/2003

Component:

Steering

Affected:

400

Defect:

Vehicles equipped with the emc ds-2000 primary driving control system. there have been reports of vehicles equipped with the emc ds-2000 drifted or veered off course and did not respond to driver's steering efforts to correct the reported drifting.

Consequence:

The driver can lose steering control, possibly resulting in a vehicle crash.

Correction:

Emc has developed several safety upgrades for the ds-2000 to improve system redundancy and reliability. emc will bring each returned unit to the current upgraded revision of hardware and software. a modification has been made that frees up the a2d converter and feeds it with 1/2 the encoder reference voltage through a resistor divider. the software will be changed to monitor that voltage at startup to make sure it is an acceptable range. if during operation it changes from its startup valve, the system will give an error, switch sides and go into open loop mode of operation. this effectively test all three references in the system. emc will notify its customers and provide this remedy free of charge. owner notification began august 12, 2003.

Notes:

Customers can contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

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