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P0890-SWITCHED BATTERY (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 (T47) 2/4 PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE (T50) L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE (T9) OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation The transmission relay is used to supply power to the solenoid pack when in normal operating mode and to turn off 9 limp-in 9 mode. The relay output (which supplies power to the solenoid pack) is fed back to the controller. It is referred to as SWITCHED BATTERY. After a controller reset (ignition key turned to the Diagnostic Test 1. CHECK TO SEE IF DTC P0890 IS PRESENT With the scan tool, view DTCs. Is the status Active for this DTC or is the STARTS SINCE SET counter set at 0? Yes >> Go To 2 No >> Go To 6 21 - 200 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS ND |