1999 CHEVY BLAZER CHECK ENGINE LIGHT. OBD CODE P1870

  • Tiny
  • smoke6574@aol.com
  • 1999 Chevrolet Blazer

Transmission problem
1999 Chevy Blazer 6 cyl Four Wheel Drive Automatic 153, 00 miles

what does code P1870 mean? Do I need a part or a new transmission?

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Friday, October 15th, 2010 AT 9:48 PM

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  • Tiny
  • bluelightnin6
  • Expert
  • 17,062 posts

Could be several things such as faulty shift solenoid, TCC solenoid, internal tranny failure, engine misfire etc. Best bet would be having a transmission specialist shop diagnose it.

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Friday, October 15th, 2010 AT 9:50 PM

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