General Information

^ Perform the road test using the Scan Tool Diagnostics.
^ Perform this test only when traffic and road conditions permit.
^ Observe all traffic safety regulations.

Conduct the test according to the following steps:
1. Start the engine.
2. Depress the brake pedal.

Important: Gear selections should be immediate and not harsh.

3. Move the gear selector between the following positions:
- Park to Reverse
- Reverse to Neutral
- Neutral to D4
4. Perform the same test procedure as instructed previously in the road test:
- Upshifts and TCC Apply
- Part Throttle Detent Downshift
- Full Throttle Detent Downshift
- Coasting Downshifts
- Manual Gear Range Selection

Using the scan tool, DTC INFO, see if any transmission malfunction codes have been set. If so, refer to FUNCTIONAL TEST PROCEDURE. After repairing the vehicle, perform the road test and verify that no codes have been set again. Initial Inspection and Diagnostic Overview

If no codes have been set and the condition remains, refer to SYMPTOM TABLES. Symptom Related Diagnostic Procedures

If the condition is suspected to originate in the torque converter, refer to TORQUE CONVERTER CLUTCH EVALUATION AND DIAGNOSIS.