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Symptom: P1684-BATTERY WAS DISCONNECTED When Monitored and Set Condition: P1684-BATTERY WAS DISCONNECTED When Monitored: Whenever the key is in the Run/Start position. Set Condition: This code is set whenever Transmission Control Module (TCM) is disconnected from battery power B+ or ground. It will also be set during the DRBIII t Quick Battery Disconnect procedure. POSSIBLE CAUSES QUICK LEARN WAS PERFORMED RECENT BATTERY DISCONNECTION TCM WAS REPLACED OR DISCONNECTED INTERMITTENT WIRING AND CONNECTORS FUSED B+ CIRCUIT TO TCM OPEN GROUND CIRCUIT OPEN TEST ACTION APPLICABILITY 1 NOTE: Low fluid level can be the cause of many Transmission problems. If t, read the engine DTC’s. Check and repair all engine DTC’s prior to performing Transmission Symptom Diagnostics. t, read Transmission DTC’s. Record all DTC’s and 1 Trip Failures. NOTE: Diagnose 1 Trip Failures as a fully matured DTC. All Continue 131 TRANSMISSION - EATX |