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• When Monitored: • Set Condition: Possible Causes RELATED DTC P0841 PRESENT DTC EVENT DATA SHOWS TRS CODE TR2 - SHIFT LEVER OR MANUAL CONTROL VALVE IN A INVALID SHIFTER CABLE OUT OF ADJUSTMENT SOLENOID SWITCH VALVE STICKING IN ITS BORE (T50) L/R PRESSURE SWITCH SENSE CIRCUIT OPEN (T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND (T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE VALVE BODY POWERTRAIN CONTROL MODULE Always perform the 42RLE Pre-Diagnostic Troubleshooting Procedure before proceeding. (Refer to 21 - Theory of Operation The Solenoid Switch Valve, an internal, hydraulically operated valve, controls the direction of the transmission fluid Diagnostic Test 1. DETERMINING IF RELATED DTCS ARE PRESENT With the scan tool, check for other Transmission DTCs. Is the DTC P0841 present also? Yes >> Refer to the Transmission category and perform the appropriate diagnostic procedure. No >> Go To 2 2. CHECK THE DTC EVENT DATA FOR TRS CODE TR2 With the scan tool, check the DTC EVENT DATA for P1776. Does the DTC EVENT DATA show a TRS Code of TR2? Yes >> This indicates the shift lever and the manual control valve were in an invalid position between Neutral and OD. Check the shifter cable for: proper adjustment, binding, friction, improper routing, or the shifter Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMISSION/ No >> Go To 3 21 - 634 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS LX |