2000 Jaguar XJ8 fail safe mode

Tiny
MICHEL HAWI
  • MEMBER
  • 2000 JAGUAR XJ8
  • V8
  • FWD
  • AUTOMATIC
  • 30,000 MILES
Dear Sir,

randomly, I receive a TRAC NOT AVAILABLE message and the car goes into a FAIL SAFE MODE.

Last year it happened once or twice, this month it occurs once or twice per day.

Note : I switch off the car, restart and drive normaly until the next failure?.

I appreciate your help.

Michel Hawi
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Tuesday, June 23rd, 2009 AT 9:35 AM

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Tiny
DAVE H
  • EXPERT
There are 8 ECU updates listed for this vehicle. It may not have had all of them?

LIMP-HOME MODE - DTC P1121 AND/OR P1632 - AJ27 ENGINE - ADJUST THROTTLE CABLE
TECHNICAL SERVICE BULLETIN
Reference Number(s): 310-05, Date of Issue: April 01, 2002
JAGUAR:1999-2000 MY XK8 Range; 1999-2000 MY V8 XJ Series
SECTION:310
VIN:031303-A04950; 853936-F08942
Superceded Bulletin(s): SECTION 310, NO. 05, Date of Issue: August 01, 2000
Related Ref Number(s): 310-05
ARTICLE BEGINNING
Issue
NOTE:Remove and destroy Bulletin 310-05, amended 08/00. Replace with this Bulletin. Procedure has been revised to use the WDS.

Some of the above 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/or P1632 being stored in the memory of the Engine Control Module (ECM) or Transmission Control Module (TCM), respectively.
Action
On a customer complaint basis only, when diagnostic trouble code (DTC) P1121 and /or P1632 is stored in the memory of the Engine Control Module (ECM) or Transmission Control Module (TCM), follow the workshop procedure outlined below.
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Thursday, December 31st, 2009 AT 8:40 PM

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