Hi,
Ohio emissions is making us fix an P1810 engine code before we can get a license. Previous owner of car (Safari Van) had the dealer fix the transmission, but subsequently the engine code P1810 started to appear. Dealer supposedly fixed engine code problem, but now it is back again (for one thing the check engine light had burned out, so who knows how long it was actually fixed). Dealer has not been unresponsive to my son, who is the owner of the car. I'm getting involved now. My experience is that many times problems come from bad connectors, so I'd at least want to try that out first. Of course my son has not put out for repair manuals for this car, so in the interim, I get to search the www.
Any ideas about the nature of this sensor? Will it be easy to find connector and examine, clean etc, easy to replace without dismantling transmission? Any help is appreciated.
So far I got this from groups:
Code P1810 seems to be a transmission code, "Automatic Transmission Fluid Pressure Manual Valve Position Switch Circuit" - it seems to be complaining that an illegal signal is being received from the position switch in the transmission valve body which indicates what position the shifter lever is in.
Code P1810 indicates a problem with the transmission fluid pressure manual valve position switch, which the PCM uses to detect the selected position on the shifter. The code will set if the gear signal received is invalid for 60 seconds, or if a drive or reverse range is detected on engine startup, or the detected gear ratio does not match the selected gear range.
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