Action Taken When the DTC Sets

P0601, P0603, P0604, or P062F

• DTCs P0601, P0603, P0604, and P062F are Type A DTCs.
• TCM limits the transmission to Reverse and 5th gear operation.
• TCM commands maximum line pressure.
• TCM forces the torque converter clutch (TCC) OFF.
• TCM freezes transmission adaptive functions.
• TCM commands the high side driver OFF.
• TCM inhibits Tap Up/Down function.
• TCM inhibits manual shifting of forward gears.

P0602

• DTC P0602 is a Type C DTC.
• TCM limits the transmission to Reverse and 5th gear operation.
• TCM commands maximum line pressure.
• TCM forces the torque converter clutch (TCC) OFF.
• TCM freezes transmission adaptive functions.
• TCM commands the high side driver OFF.
• TCM inhibits Tap Up/Down function.
• TCM inhibits manual shifting of forward gears.