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P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION (CONTINUED) For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - SCHE- For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes RELATED DTC P0841 PRESENT (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN (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 INTERNAL TRANSMISSION POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- 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. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 2 2. CHECK TO SEE IF DTC P1776 IS CURRENT With the scan tool, view DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter 2 or less? Yes >> Go To 3 No >> Go To 10 HB AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS 21 - 153 |