This TSB applies to 2010-2012 Jaguar XJ vehicles. The power steering system performance may not be as expected at low vehicle speed with DTC B12FB-12 stored in the body control module. This may be caused by software strategy in the BCM.
Required tools include IDS with the latest IDS-DVD and calibration file, first available on IDS-DVD131.01 calibration file 107, and a Jaguar-approved Midtronics Vehicle Power Supply.
CAUTION: Ensure that all ignition ON/OFF requests are carried out. Failure to perform these steps may cause damage to control modules. A Midtronics Vehicle Power Supply must be connected to the vehicle battery during IDS diagnosis/module programming.
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