Supra-jdm Posted March 12, 2007 Share Posted March 12, 2007 hi recently bought a supra 3.0 n/a auto, couple of annoying problems my overdrive OFF light flashes when its off and stays on when the overdrive is on? last owner changed the auto stick could this be a cabling fault or something any ideas Link to comment Share on other sites More sharing options...
Ric Posted March 12, 2007 Share Posted March 12, 2007 speed sensor fault, code 42, try a search with those Link to comment Share on other sites More sharing options...
Supra-jdm Posted March 12, 2007 Author Share Posted March 12, 2007 what needs to be done to fix that then? Link to comment Share on other sites More sharing options...
Steviegeeza Posted March 12, 2007 Share Posted March 12, 2007 Does it hit the speed limiter at an indicated 120 leptons? if so you have a crappy kmh > mph convertor, this will cause the OD light to flash, a regular flashing which looks like some sort of error indication rather than a loose connection. I've had the same problem. Link to comment Share on other sites More sharing options...
Guest suprafoxy Posted June 26, 2008 Share Posted June 26, 2008 mines doing this how can it be fixed, car seems to drive fine??? Link to comment Share on other sites More sharing options...
derek300zx Posted June 28, 2008 Share Posted June 28, 2008 I had same problem, overdrive light flashing on and off, got the chip in kph-mph convertor changed, problem solved. Link to comment Share on other sites More sharing options...
FireStormNBI Posted June 29, 2008 Share Posted June 29, 2008 could be solenoid in the transmission, might be busted needs replacement Link to comment Share on other sites More sharing options...
bens747 Posted October 24, 2008 Share Posted October 24, 2008 I had same problem, overdrive light flashing on and off, got the chip in kph-mph convertor changed, problem solved. Where is the kph-mph converter chip located .... thanks Link to comment Share on other sites More sharing options...
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