Action Taken When the DTC Sets

P0776

• DTC P0776 is a Type A DTC.
• TCM commands maximum line pressure.
• TCM inhibits Tap Up/Down function.
• TCM freezes transmission adaptive functions.
• TCM inhibits manual shifting of forward gears.
• TCM limits the transmission to Reverse, 2nd, and 4th gear operation.
• TCM inhibits auto grade braking.
• TCM inhibits neutral idle.

P0777

• DTC P0777 is a Type A DTC.
• TCM commands maximum line pressure.
• TCM inhibits Tap Up/Down function.
• TCM inhibits manual shifting of forward gears.
• TCM freezes transmission adaptive functions.
• TCM limits the transmission to 3rd gear and Reverse operation.
• TCM inhibits auto grade braking.
• TCM inhibits neutral idle.