Fixing Jaguar steering glitch

Published 1 month ago• 2 minute read

JLR Engineering investigations have had reports of no power steering assistance at the start of a drive cycle on 2021 Jaguar I-Pace, XE and XF vehicles.

An ADAS warning message may appear on the instrument panel and DTC U400-81 may be set on the DADC (driver assistance domain controller).

1. Run the Network Integrity Test (NIT) vehicle application.

2. Run the power steering control module (PSCM) data collection module application.

3. Disconnect and reconnect the 12V battery.

4. Confirm that the fault is now resolved.

About the Author

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

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