2005 Pontiac GTO error code

2005 PONTIAC GTO
94,000 MILES • V8 • 2WD • AUTOMATIC
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EFFINGEFFER
  • MEMBER
  • 1 POST
I lost 1st and 4th gear while on the freeway.
hooked up my diablosport tuner and it showed a transmission error code po700.
What exactly might that be?
Feb 27, 2009 at 10:48 AM
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BMRFIXIT
  • ✓Experienced Mechanic
  • 19,053 POSTS
P0700 transmission control module is requesting check engine light from the ECM
need to scan for tranny codes
as it will pin point on what it is going on
Feb 27, 2009 at 11:41 AM
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