For 1990-2009 cars

### Circuit Description

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.

### Conditions for Setting the DTC

DTC P0730 will set when the PCM has detected the following conditions:

• | Vehicle speed is 0.

• | Steady moderate throttle.

• | The input shaft speed is 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 for the following items:

• | The transmission range switch failed or the harness was wired incorrectly.

• | The transaxle may be hydraulically in neutral and the selector switch indicates a forward gear.

• | The shift cable is misadjusted.

• | The manual valve is disconnected.

• | Verify the VSS/ISS sensor using the scan tool.

### Repair Verification

Monitor the DTC menu Code Status for Pass Since Code Clear and Pass This Ignition Cycle. When both have passed, the repair is verified.

Criteria for pass:

• | Input speed is greater than 0.

• | Vehicle speed is greater than 5 km/h (3 mph) for 0.5 seconds.