P1745

P1745-TRANSMISSION LINE PRESSURE TOO HIGH FOR TOO LONG
- When Monitored:
Continuously with ignition on.
- Set Condition:
If the transmission has been operating in an open-loop line pressure control for 2000 miles or 1000 2-3 upshifts.

Possible Causes
- LINE PRESSURE DTCS PRESENT

Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. Testing and Inspection

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 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.

Diagnostic Test
1. CHECK FOR RELATED DTC'S
With the scan tool, check for Transmission Line Pressure DTCs.
View repair
Repair
Refer to the Transmission category and perform the appropriate symptom.