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Chevrolet
Avalanche
Trouble Codes
P Codes (Powertrain)
P0100 - P0199
P0121
2007 Chevrolet Avalanche Code P0121
2007 CHEVROLET AVALANCHE
TPATTERSON1984
MEMBER
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 16, 2014 at 9:47 PM
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HMAC300
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Experienced Mechanic
48,601 POSTS
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 16, 2014 at 10:24 PM
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