Battery Was Disconnected Within Last 50 Starts
1995-2000 Dodge Avenger 2.5L V6 🇨🇦
Description
The PCM has recorded that battery power was lost or disconnected within the last 50 engine start cycles. This is an informational code that indicates the PCM adaptive memory was reset and the system is relearning.
Symptoms
- Check Engine Light (temporary)
- Slightly rough idle during relearn
- Transmission may shift differently during relearn
- Fuel economy temporarily reduced
Common Causes
- Battery recently disconnected for service
- Battery replaced
- Loose or corroded battery cable
- PCM fuse momentarily lost power
- Parasitic drain completely discharged battery
Diagnostic Steps
- Clear the code and drive through 50 start cycles to allow it to expire
- If battery was not intentionally disconnected, check battery cables for looseness
- Test battery condition and charging system
- Check for parasitic electrical drain
- Inspect PCM power supply fuses
Repair Notes
This code will clear itself after approximately 50 key-on cycles; no repair needed unless the battery disconnect was unintentional.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1684 on Other Vehicles
Common Questions
What does code P1684 mean on a 1995-2000 Dodge Avenger?
P1684 stands for "Battery Was Disconnected Within Last 50 Starts". The PCM has recorded that battery power was lost or disconnected within the last 50 engine start cycles. This is an informational code that indicates the PCM adaptive memory was reset and the system is relearning.
What are the symptoms of P1684 on a Dodge Avenger?
Common symptoms of P1684 include: Check Engine Light (temporary), Slightly rough idle during relearn, Transmission may shift differently during relearn, Fuel economy temporarily reduced.
What causes P1684 on a 1995-2000 Dodge Avenger?
Common causes of P1684 include: Battery recently disconnected for service, Battery replaced, Loose or corroded battery cable, PCM fuse momentarily lost power, Parasitic drain completely discharged battery.