P1745

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 42RLE 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. 42RLE - Pre-Diagnostic Troubleshooting Procedure



Diagnostic Test


1. CHECK FOR RELATED DTC'S

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

View repair

Repair

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