Road Test Procedure

- Perform the road test using a scan tool.

- Perform this test when the traffic and the road conditions permit. Observe all safety regulations.

1. Start the engine.

2. Depress the brake pedal.

Important: Gear selections should be immediate and not harsh.

3. Move the gear selector as follows:

3.1. Park to Reverse.

3.2. Reverse to Neutral.

3.3. Neutral to D4.

4. Perform the same procedure as instructed previously in the road test:

- Upshifts and Torque Converter Clutch (TCC) apply.

- The part throttle detent downshift

- The full throttle detent downshift

- Manual downshifts

- Coasting downshifts

- Manual gear range selection

Use the scan tool in order to see if any transmission malfunction codes have been set. If so, perform the transmission test. After repairing the vehicle, perform the road test and verify that no codes have been set again. If no codes have been set and the condition remains, refer to the Diagnosis Charts. Testing and Inspection
If the condition is suspected to originate in the torque converter, do a Torque Converter Clutch Diagnosis.