Dodge Cummins Diesel Forum - View Single Post - 1989 RWAL Code Scanning
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post #6 of (permalink) Old 03-12-2019, 05:40 PM
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There is only the RWAL valve in the system, and the magnetic pick up and ring gear on the axle to tell the ABS module what the axle is doing, not a lot of things you need a code(s) for. The fact no one has come forth with the information you are looking for, nor have you been able to find the DIY procedures anywhere on line think it shows you how little people care about this system being functional.

They were problematic when new, and never got better with age, hence the reason nearly 99% of people either disconnect the ABS module or bypass the RWAL valve. I did both and would not consider going back.

1984/93 Dodge Crewcab, W350, 1 Ton SRW, long box, 370K Km's, hydroboost, 366 spring, fuel pin to deep side, 14cm housing, Piston LP, PS IC, Isspro Boost, Pyro and tach, NV4500, 29 spline NP205, 3.54's.
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