Powertrain Control Module (PCM) - 66RFE

P1715-RESTRICTED MANUAL VALVE IN T3 RANGE

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

- When Monitored:
When the PRNDL code indicates Temp 3.

- Set Condition:
This DTC sets when conditions for DTC P1776 are satisfied or 3 unsuccessful attempts to engage 1st gear while the shifter is in the temp 3 zone. This indicates a restricted port at the manual valve because the shifter is not fully engaged in the drive position.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

1. CHECK FOR RELATED DTCs
1. With the scan tool, read DTCs.

Are DTCs P0729, P0731, P0732, P0733, P0734, P0735 or P0716 present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure for the reported DTC(s).

No

- Go To 2

2. CHECK SHIFTER ADJUSTMENT
1. Check Shift Lever adjustment.

Is the shifter properly adjusted?

Yes

- Go To 3

No

- Adjust the Shifter Assembly.
- Perform the 66RFE TRANSMISSION VERIFICATION TEST. 66RFE Transmission Verification Test.

3. CHECK CUSTOMER DRIVING HABIT
1. This DTC can set if the customer rests their hand on the shift lever while they are driving. The transmission can be put in the T3 position if just enough upward pressure towards neutral is exerted on the shift lever.
2. When this occurs, the feed port to the clutch is restricted, the transmission will declare neutral and this DTC will set. The customer should be informed not to rest their hand on the shifter while driving.
3. This DTC can set by simply bumping the shift lever toward neutral while accelerating.
4. With the scan tool, check the Event Data to help identify the conditions in which the DTC set.

If there are no possible causes remaining, view repair.

Repair

- This DTC can set by putting too much forward pressure on the shift lever while it is in the OD position. Make sure the customer is informed.
- Perform the 66RFE TRANSMISSION VERIFICATION TEST. 66RFE Transmission Verification Test