Initial Inspection and Diagnostic Overview

AW60T PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE

For a complete wiring diagram, refer to the Wiring Information.

1. Many transmission symptoms can be caused by a low fluid level. If the fluid level is low, locate and repair any leaks and fill the transmission to the proper fluid level. Procedures for the proper repair and fluid fill procedures.
2. Testing should only be performed with the battery fully charged to avoid false diagnosis.
3. With the scan tool, read Powertrain (PCM) DTCs. If Engine DTCs are present, A L L Diagnostic Trouble Codes ( DTC ) Perform to the appropriate diagnostic procedure(s) before proceeding.
4. With the scan tool, read Transmission (TCM) DTCs. Record all Stored, Active, and Pending DTC information. Diagnose any Pending DTC as a matured DTC.
5. Refer to the When Monitored and Set Conditions for this DTC. DTCs can set at ignition on, at start up, driving under specific conditions, or after controller diagnostic monitors have run.
6. Perform any applicable Service Bulletins for controller software update information. Some conditions can be corrected by upgrading the Powertrain (PCM) or Transmission (TCM) controller software.
7. Check for any Service Information Updates or Service Bulletins for any possible causes that may apply.

Were there any repairs made that fixed the vehicle?

Yes

- Testing complete.
- Perform the AW60T VERIFICATION TEST. AW60T Transmission Verification Test.

No

- Perform the appropriate diagnostic procedure.