41TE - NGC
P1745-TRANSMISSION LINE PRESSURE TOO HIGH FOR TOO LONG
For a complete wiring diagram, refer to the wiring information 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 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding. . Testing and Inspection
CHECK FOR RELATED DTCS
1. 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".
Repair
- Perform the appropriate diagnostic procedure.