Jaguar XJ 1999 — technical service bulletin
Bulletin 31005 · NHTSA communication 615843 · issued Aug 1, 2000
Technical service bulletin
communication type
Vehicle Speed Control
component
1999
model years
2
vehicle entries
Official summary
Some vehicles may default to limp home mode because the throttle cable is improperly adjusted. The condition will be accompanied by diagnostic trouble code (dtc) p1121 and / pr p1632 being stored in the memory of the engine control module (ecm) or transmission control module (tcm), respectively. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.