Questions & Answers for: p0121 gmc yukon

...GMC Yukon codes P0121, P2544, U0101 P0121 Is a throttle/pedal position sensor/switch "A" circuit range/performance problem. P2544 torque management request input signal "A". U0101 lost communication ...

gmc yukon 2007 located p 0121 code P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem that is a drive by wire system the gas pedal has a sensor rigt above it make sure the

check engine light is on sametimes and I check out and I have a code P0121 also I still under garanty but I dont not if i can be coverage in this matter A code starting with P is powertrain related so

...GMC YUKON, my check engine light is on, and i am getting a code P0121. How can i clear up this issue? see what the code is and have it fixed Have TPS Sensor tested & throttle checked for ...

throttle body code p0121 o7 gmc denali 6.2l ck engine light on but runs ok P0121- Throttle Pos Sensor/Switch A Circ Range/Perf this is the code you requested. Good Luck This

Throttle position sensor P0121 That sensor has to be back probed & tested, preferably with an oscilloscope & it may be just be doing it's job & is okey & you have other issues such as ...

...do codes B2AAA and B2A00 mean? I can not find these codes, could they be pulling due to the code P0121 also coming up? Also what is the best option to start with on the P0121 code to fix it? I