Need help with this 135sr. Started this baby this morn but would idle only. Fault code came up on the dash. D-1 P1 Bypass propo-valve. D-2 P2 Bypass propo-valve. D-3 Travel propo-valve. D-6 Recirculate propo-valve. G-1 Step motor current neg. G-2 Step motor S/PT error. Lots of codes but no go! Can Anyone. Thanks.
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