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January 23, 2014 Service bulletin

"Issue: a customer may report the vehicle steering feels heavy potentially accompanied by visual or...

Land Rover technical service bulletin SSM 71278 for 2013-2014 Land Rover Range Rover and 2014 Land Rover Range Rover Sport.

Bulletin number
SSM 71278
Component
Electrical system: software
Summary
"issue: a customer may report the vehicle steering feels heavy potentially accompanied by visual or audible warnings through the instrument pack. The following dtcs may also be logged: epas dtcs logged: -b1304-16: electronic power assisted steering (epas) system circuit voltage below threshold -u3001-00: power steering control module (pscm) sys tem improper shutdown. These may be accompanied by: -u0001-87 / 88 high speed can bus invalid serial data received / missing message. Chcm dtcs logged: -u0131-00 chassis control module (chcm) lost comms with pscm. -u3003-62 battery voltage signal compare failure. -u0420-68 chcm invalid data received from pscm."

Owners of these vehicles have filed 24 complaints in the electrical category.

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