2007 Chevrolet Avalanche Code P0121

2007 CHEVROLET AVALANCHE
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TPATTERSON1984
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  • 1 POST
I have a code reading of P0121 saying throttle/pedal position sensor circuit A. What does that mean and what do I need to do to repair the problem?
Jun 17, 2014 at 4:47 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
it's the gas pedal and it may be bad or the wiring or some issue like that. it's drive by wire meaning it's electrically operated.
Jun 17, 2014 at 5:24 AM
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