[-=Jeff=-]

SRC
Jumper plugs A-C on the ALDL port, and your SRC light will flash
F-E-D-C-B-A
G-H-J-K-L-M

12 = Start of sequence
13 = Left rear time out
14 = Right Front time out
21 = Left Front time out
22 = Right Rear time out
31 = Left Front out of position
32 = Right Front out of position
33 = Left Rear out of position
34 = Right Rear out of position

41 = Selective ride control switch short to voltage
42 = Selective ride control switch open contacts
You can have a code 42 if you leave the switch in between indented positions
43 = selective ride control switch circuit open.

23 = If you start the car more than 3 times and do not move the car this code will set. Drive 3-6 feet and the light will go out