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2000 Jaguar S-Type Fail Safe Engine Mode Light

Tiny
MHS112752
  • MEMBER
  • 2000 JAGUAR S-TYPE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 29,000 MILES
Yesterday, I started my car with a quick charge, battery charger. After the car started I noticed the fail safe warning lamp had turned on. I have driven the car with no noticable change in performance. It drives as it always did. I am wondering if the fifty amp quick charge sent an errant message to the onboard computer and if so, will disconnecting the battery reset the lamp.
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Friday, May 28th, 2010 AT 12:25 AM

1 Reply

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
Hello .. thanks for the donation .. much appreciated

It is possible the PCM/ECU has picked up on an overcharge/overload to the electrical system and turned on the CEL .. disconnecting the battery will not help .. you need to have the vehicle plugged into a diagnostic computer to check the codes and erase the light


https://www.2carpros.com/forum/automotive_pictures/266999_AAA2_1150.png

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Sunday, May 30th, 2010 AT 4:26 AM

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