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Q: code P1740 on 2000 Dodge Ram Van 3500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
does anyone know hoe to diagnose this code P1740 on a DodgeRam Van 3500. when im driving it the gears shift a litte hard.
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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its a 3-4 shift solenoid circuit failure.

you need a scan tool, volt meter and a shop that can trace down the issue. these diags are not for home repairs as most people dont have scan tools at home.
a trans shop can diag it for you and give you a bid. the 3-4 solenoid may be the failure but you must verify the wiring harness too.

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