42RLE - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE
For a complete wiring diagram Refer to Section 8W.
Perform the following steps prior to any diagnostic procedure(s).
Note: Performing a Battery Disconnect will clear all DTC EVENT DATA and reset all learned Transmission values to the controllers default values which may temporarily result in erratic shift schedules.
Did any of the above procedures repair the vehicle?
Yes
- Testing is complete.
- Perform 42RLE VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - STANDARD PROCEDURE)
No
- Refer to the transmission category and perform the appropriate diagnostic procedure(s).
- (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - DIAGNOSIS AND TESTING)