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Home >> Honda >> 2014 >> Ridgeline RTL >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0731: 1st Gear Incorrect Ratio >> Enable Conditions
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Enable Conditions

Condition Minimum Maximum
Engine speed(1) 1, 000 rpm -
Vehicle speed(1) 8 mph (12 km/h) -
Battery voltage 11 V -
Throttle position(1) 10 % -
State of the engine(2) Running
Shift lever position D
No active DTCs set (prevents monitor from running) P0117, P0118, P0122, P0123, P0222, P0223, P0705, P0706, P0716, P0717, P0718, P0721, P0722, P0723, P0732, P0733, P0734, P0735, P0746, P0747, P0751, P0752, P0756, P0757, P0761, P0762, P0776, P0777, P0796, P0797, P0962, P0963, P0966, P0967, P0970, P0971, P0973, P0974, P0976, P0977, P0979, P0980, P0982, P0983, P1658, P1659, P1683, P1684, P1743, P1744, P1745, P1780, P2101, P2118, P2122, P2123, P2127, P2128, P2135, P2138, P2176
(1) Symptom 1
(2) Symptom 2