check engine light code P1125

2004 GMC SIERRA
86,000 MILES • V8 • 4WD • AUTOMATIC
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FCAPP
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  • 1 POST
I have an 04 sierra 5.3L with a check engine light a reduced power message being displayed the error comes up as P1125. Any suggestions?
Jul 14, 2011 at 3:08 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
This is a fault with the accelerator pedal range sensor and the throttle motor, that will have to be investigated further to pin point the exact fault, basically the pedal is not sending the correct signal to the throttle motor or the motor is not responding to the pedal.
Jul 14, 2011 at 4:23 AM
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