I have isolated the drivers seat and ran power to the seat from a separate source and it works fine I have checked the relay which is the same one for the door locks and it is fine ( door locks work fine.) I have looked closely at the back of the fuse box and ground source plus the harness for damage.Please help.
I have had similar problem, after much power tracing and power bypass the problem was only solved when I cut out the under-seat connector and hard wired it....I suspect the design of the connector and the location is susceptible to corrosion from moisture
hope this helps
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Are you also having other things that do not have power, such as the radio or power mirrors, or the wireless door locks / security system? I owned a 1996 Oldsmobile product that had the same problem. I discovered that a circuit breaker in the fuse box was being overloaded. The same circuit breaker that operated the seats also operated the wireless remote. Apparently, the wireless remote receiver was getting "hung" and constantly drawing electricity and tripped the breaker. When the breaker tripped, my seats also quit working. Thus I quit using the wireless remote and the seats have worked fine ever since.
The code 12 is just letting you know that the diagnostic system is working. Code 32 is Exhaust Gas Recirculation(EGR)failure. Check the vacuum source and all vacuum lines. Check the system electrical connectors at the ECM and EGR valve. Replace EGR or ECM if neecessary.
The power feed wires for the seat run under drivers front rug along hump. Very common for water or washer solvent ( it also is routed under the seat for rear wipers) to corrode the wires. Pull up carpet locate broken wires.
Left side of the dash, to the right of the IP fuse block. Its a 25 amp circuit breaker, an aluminum cased breaker.
CHECK FOR POWER ON THE SEAT SWITCH "A" TERMINAL AND GROUND ON THE "D" TERMINAL. IF YOU HAVE POWER AND GROUND THE SWITCH IS BAD.
both my power seats are not working at all ..it first started with driver seat , to make seat move forward and back tilting the recliner was working then it went out ..not working either..then after a month later my pasenger seat stopped working as well... what might be the issue..please reply