P0730
DTC P0730 is set when all forward gears are indicated as not available. DTC P0730 is an indicator that all gears are being affected by the same condition.DTC PARAMETERS
DTC P0730 will set when the PCM has detected the following conditions:
^ Vehicle speed is zero.
^ Steady moderate throttle.
^ Input shaft speed above 756 rpm.
^ The PCM commanding 1st, 2nd, 3rd, or 4th gears results in no accurate input shaft speed pull down.
TEST DESCRIPTION
Check for DTC P0745. If present, repair first and road test the vehicle. If no diagnostic trouble codes are present then check the following items:
^ Transmission range switch failed or the harness was wired incorrectly.
^ Transaxle may be hydraulically in neutral and selector switch indicates a forward gear.
^ Shift cable misadjusted.
^ Manual valve disconnected.
^ Verify VSS/ISS sensor using Scan tool.
REPAIR VERIFICATION
Monitor DTC menu "Code Status" for "Pass Since Code Clear" and "Pass This Ignition Cycle." When both have passed, repair is verified.
Criteria for pass: Input speed greater than zero, vehicle speed greater than 5 km/h (3 mph) for 0.5 seconds.