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Codes P0700 and P0622

Tiny
TIFFY TISDALE
  • MEMBER
  • 2009 DODGE NEON
  • AUTOMATIC
  • 150,000 MILES
My battery light came on throughout the week. Then my car would only shift in second gear and reverse then broke down won't start. Codes are p0700 and p0622. Battery and alternator are fine.
Tuesday, July 16th, 2019 AT 10:40 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,961 POSTS
Hello,

This code is for the TCM and the alternator which if the alternator is bad it can cause the TCM to malfunction. Let test the alternator first to see if it is throwing AC voltage and to check the output.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Please run down this guide and report back.
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Thursday, July 18th, 2019 AT 9:40 AM
Tiny
TIFFY TISDALE
  • MEMBER
  • 2 POSTS
Thanks, you were right.
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Sunday, July 28th, 2019 AT 12:17 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,961 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Sunday, July 28th, 2019 AT 12:02 PM

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