P0705 - ALT/Battery are fine
#1
P0705 - ALT/Battery are fine
Hello fellow problem solvers.
Discovery 2004 SE7 4.6L Automatic
153 472km (95920 miles)
I'm a pretty handy DIYer, been working on all my cars and take fun doing so. I want to fix the problem myself for knowledge and personal satisfaction so here's what's going on.
Transmission has always been giving an extra push between the 2nd and 3rd gear but I didn't mind it as transmission rebuild scares the heel out of me. Here's whaty happened
I am having issues with my what i believe to be the XYZ (transmission range sensor) switch.
2 weeks ago, M&S started flashing. I would turn the truck off and back on and the light wasn't showing anymore.
Last week, I had the truck get into what I think is limp mode. Scanned it and came up with P0705 PRNDL circuit. Looked up on the web and couldn't believe it was related to a battery/alt but I checked it with my local mecanic and everything is fine with the charging system.
For now, when driving I put the transmission in 3rd gear and M&S lights are OFF. As soon as I put it in D (drive) or R (reverse), M&S come ON.
Before ordering any parts, is there someone who has had the problem and can confirm my story and that XYZ switch is the problem.
Thank you for your help,
Alexandre from snowy Canada
Discovery 2004 SE7 4.6L Automatic
153 472km (95920 miles)
I'm a pretty handy DIYer, been working on all my cars and take fun doing so. I want to fix the problem myself for knowledge and personal satisfaction so here's what's going on.
Transmission has always been giving an extra push between the 2nd and 3rd gear but I didn't mind it as transmission rebuild scares the heel out of me. Here's whaty happened
I am having issues with my what i believe to be the XYZ (transmission range sensor) switch.
2 weeks ago, M&S started flashing. I would turn the truck off and back on and the light wasn't showing anymore.
Last week, I had the truck get into what I think is limp mode. Scanned it and came up with P0705 PRNDL circuit. Looked up on the web and couldn't believe it was related to a battery/alt but I checked it with my local mecanic and everything is fine with the charging system.
For now, when driving I put the transmission in 3rd gear and M&S lights are OFF. As soon as I put it in D (drive) or R (reverse), M&S come ON.
Before ordering any parts, is there someone who has had the problem and can confirm my story and that XYZ switch is the problem.
Thank you for your help,
Alexandre from snowy Canada
#2
I have let the truck stand for 3 days in a heated garage. it's close to -10 celcius here in montreal, could it have been humidity and it dried out? Anyways, the M&S lights don't seem to come back on. I've started the truck twice today without anything coming up. Will scan tonight for more info.
Is it a good sign or the devil's around the corner?
Is it a good sign or the devil's around the corner?
#3
I have let the truck stand for 3 days in a heated garage. it's close to -10 celcius here in montreal, could it have been humidity and it dried out? Anyways, the M&S lights don't seem to come back on. I've started the truck twice today without anything coming up. Will scan tonight for more info.
Is it a good sign or the devil's around the corner?
Is it a good sign or the devil's around the corner?
Try cleaning the terminals of the battery and the clamps. Had similar issues to you when I had my D2 and cleaning the battery cable clamps fixed it.
Good luck.
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