Code trouble SC2 1997

Hi everyone- I have the Saturday afternoon BLUES . I dropped my 1997 SC2 148 K and had them check out a mysterious code problem. SES light on and off. I had them put on good wires and NGK plugs and clean the coil towers. They cleared the code drove the car a few miles and came back to test it again. In freeze frame P341 still shows up, and also P1651- Fan Control Relay and P1650 Driver 2 Input Voltage High

I did notice the SES light did not come on when I started the engine- ( maybe the bulb is out)?

As a novice to electronics why do all three of these seems related?

Any thing I need to have them check next? I left the car until Monday morning when they reopen, but the tech I talked to did say we need to check the voltage. I printed the thread from ealier post regarding P0341 code and information and had he read it before I left.

I don't want to spend an arm and a leg on a reapir- and my wife says get rid of the car- its a lemon- only 148K no oil leaks rides smooth, but a little leak in the sunroof- HELP
Any suggestions?

lemon law applys to new cars only - http://www.automotiveforums.com/vbulletin/showthread.php?t=150633

the P1650 and P1651 i beleave are related, i HIGHLY doubt the P0341 is related.(i assume you printed out my troubleshooting guide?)

check your system voltage with the system running, i would worry about anything above 14.5 or 15 volts. sorry to say any diagnosis beyond that i would need to test the car myself. so next time you drive to chicago.....

also the SES light is not on with the engine off, but is with the engine on? and then it goes on and off? humm... the bulb might be on its way out, if its already blown, the vibiration from the engine may shake the bulb enough to touch the contacts and let the bulb work again for a short time.