40/41TE Automatic Transaxle (NGC)

P1745-TRANSMISSION LINE PRESSURE TOO HIGH FOR TOO LONG

For a complete wiring diagram Refer to Diagrams/Electrical. Electrical Diagrams


Theory of Operation


This DTC is an informational DTC to inform the technician that transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts resulting from a Line Pressure DTC. The Transmission is not designed to operate in open-loop line pressure control for an extended period time. This DTC is intended to protect the transmission. If the DTC sets, the transmission controller will place the transmission into limp-in mode.


- When Monitored:

Continuously with ignition on.

- Set Condition:

If the transmission has been operating in an open-loop line pressure control for 3220 kilometers (2000 miles) or 1000 2-3 upshifts.







Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. 40/41TE Pre-Diagnostic Troubleshooting Procedure


Diagnostic Test


1. CHECK FOR RELATED DTC'S

With the scan tool, check for Transmission Line Pressure DTCs.


NOTE: In order to erase this DTC you must reset (erase) the VLP Shift Counter and the Output tooth counter which is a single procedure under Miscellaneous functions in the scan tool called "Clear Variable Line Pressure (VLP) counters".

View repair

Repair

- Refer to Transmission and Drivetrain and perform the appropriate test.