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I tried serching but couldn't come up with anything for the 93 C4. Can someone explain how this works? the service light on the DIC is on and I would like to fix it. I lost out on the Ebay auction for the red books but eventually I'll find a deal on a pair.
From: No more yankee my wankee, the Donger is tired!
Can't remember if this is the correct procedure to retrive ride control codes for a 93.
Jumper plugs A-C on the ALDL port, and your SRC light should flash the code that is being set.
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
Out of position codes are triggered if the computer senses that the actuator has not found the end stop position on the shock. Remove actuator at the indicated shock. Turn the valve gear on the shock stops after about 3 / 4 of turn, then you have a bad actuator. If it spins around continuously then it is a bad shock
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