Thanks for the link, but this is the TOD speed sensor.
front - 357(A) - Part #8-97181-686-0
rear - 357(B) - Part #8-97181-685-0
See if this works:
http://www.myisuzuparts.com/2001/756...rts.html#flash
http://www.myisuzuparts.com/2001/821...rts.html#flash
Go down and click on the 'eye' icon for 357(B) to highlight.
From isuzuparts.com
Item Number MSRP Core Price Price
8972516850 $409.17 $0.00 $322.76
I find it improbably that I'm getting the same code error with two different transfer cases (and thus two different sensors). I'd like to think there is another problem somewhere, but need some advice on where to look.