2005 GMC Sierra 2500 HD SLE 6.0L MIL Lamp on, rEDUCED pOWER
Truck can to the shop under reduced power, With codes P1125 and P2120. After testing circuits, replaced throttle body and accelerator pedal with factory parts. Truck ran fine for two weeks. Now truck has come back with reduced power again showing the same code...
FIX posted 9/3/2010
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 6 Replies Received (View Replies)6 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/FIX
Vehicle Data2005 GMC Sierra 2500 HD SLE
Trouble Codes
|
Message Closed w/FIX
Vehicle Data
2005 GMC Sierra 2500 HD SLE
VIN | 1GTHK24U05 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp on, Reduced Power |
Occurs | Always, Intermittently |
Trouble Codes
P1125 | TP Sensor 1 Circuit Malfunction |
P2120 | Accelerator Pedal Position Sensor 1 Circuit Plausibility |