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MHH AUTO MHH AUTO FORUMS. General Automotive Help & Discussions. GM Group Opel-Vauxhall, Saab, Chevrolet, GM USA, Chrysler Discussions. Dodge RAM 2010 5500 Cummins Diesel 6.7 PTO RPM Adjustment
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Dodge RAM 2010 5500 Cummins Diesel 6.7 PTO RPM Adjustment

socrude  ****
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1 02-07-2025, 01:15 AM (This post was last modified: 02-07-2025, 01:16 AM by socrude.)
Have AlfaOBD, connected to the truck. Under active diagnostic, selected "PTO RPM Adjustment" and trying to set it to 1400 RPM. Start, next, get the message "Failed. Security access denied".

What do we need to do to change this? Can WiTech2 do it, or? Aftermarket software needed?
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