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Code P1684

Tiny
FATHEROF4
  • MEMBER
  • 2003 DODGE CARAVAN
  • 165,000 MILES
I have a 2003 dodge caravan sport 3.8l with 165k on it. The engine light came on with 2 codes, one for the battery p1684 I believe aswell as one for the o2 sensor heater! I just bought it cert, and etest came back perfect 4 days ago! Could it just be a battery?

I had the guy I bought it from put it on his computer and the engine lights went away, but by the end of the day they were back with the same error codes.

This site is great!
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Friday, December 16th, 2011 AT 2:31 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I need you to confirm the 1684. It isn't listed. Also, what code came up for the battery?
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Friday, December 16th, 2011 AT 2:49 PM
Tiny
FATHEROF4
  • MEMBER
  • 4 POSTS
The battery code was p1684 and the o2 sensor was p0135
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Friday, December 16th, 2011 AT 2:57 PM

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