P1745

P1745 - Transmission Line Pressure Too High for Too Long

For a complete wiring diagram, refer to.

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 62TE 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 pre-diagnostic troubleshooting procedure before proceeding. Refer to => Non-DTC Based Diagnostics. Pre-Diagnostic Troubleshooting Procedure

Test Step 1 - Check FOR Related DTCs

• With the scan tool, check for transmission line pressure DTCs.

• 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 counters".

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Repair

• Refer to the transmission category and perform the appropriate symptom.