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P0869-GOVERNOR PRESSURE SENSOR VOLTS TOO LOW (DIESEL) (CONTINUED) 5. CHECK THE TRANSMISSION SOLENOID ASSEMBLY Reconnect the Transmission Solenoid Assembly harness connector. Remove the Transmission Oil Pan per the Service Information. (Refer Disconnect the Governor Pressure/Transmission Temperature Sensor Measure the resistance between the (T38) Governor Pressure Sensor Is the resistance below 100k ohms between the (T38) Governor Yes >> Replace the Transmission Solenoid Assembly per the Ser- vice Information. Perform RE TRANSMISSION VERIFICATION TEST VER - No >> Go To 6 6. CHECK THE GOVERNOR PRESSURE SENSOR SENSOR Turn the ignition on. With the scan tool, erase DTCs. Connect a jumper wire between the (T38) Governor Pressure Sensor With the scan tool, read DTCs. Did the DTC P0868 set? Yes >> Inspect the Governor Pressure Sensor wiring for damage. If no problems are found, replace the Governor Pressure Perform RE TRANSMISSION VERIFICATION TEST VER - No >> Using the schematics as a guide, check the Engine Control Module (ECM) pins, terminals, and connec- tors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground cir- Perform RE TRANSMISSION VERIFICATION TEST VER - 1 (DIESEL). (Refer to 21 - TRANSMISSION/ 21 - 856 AUTOMATIC TRANSMISSION - 48RE - DIESEL - ELECTRICAL DIAGNOSTICS DR/DH |