P1684Computer & Auxiliary Outputs

Battery Was Disconnected (Dodge/Chrysler/Jeep)

P1684 is a Dodge/Chrysler/Jeep informational code meaning the battery was disconnected within the last 50 key cycles. It is not a fault by itself and often appears alongside other codes.

🚗 Yes. This is an informational code, not a fault.

LOW

severity

🎯 Top Causes, Ranked by Likelihood

#1Recent battery disconnection$0

45%

The battery was disconnected or went dead recently.

#2Weak or failing battery$100-$250

30%

A battery losing charge triggers the code repeatedly.

#3Loose battery terminal or ground$0-$50

25%

Intermittent power loss looks like a disconnect.

🩺 Common Symptoms

Check engine light
Stored alongside other codes
No drivability change
Occurs after battery service

💰 Repair Cost: DIY vs Shop

DIY Cost

$0-$250

Shop Cost

$0-$300

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P1684

1Clear the code and see if it returns

2Load-test the battery

3Inspect battery terminals and grounds for tightness

4Address any other stored codes

❓ Frequently Asked Questions

Can I drive with P1684?

Yes. P1684 is informational and simply notes the battery was recently disconnected.

Is P1684 a Chrysler code?

Yes, P1684 is a Dodge/Chrysler/Jeep battery disconnected informational code.

Should I worry about P1684?

Not by itself. If it keeps returning without battery service, check for a weak battery or loose terminals.

🔗 Related Codes

P0562P0563P0522