'07 GMC Yukon XL Denail Throttle Position Sensor

[BSarteSr]

On my '07 GMC Yukon XL Denali I am receiving an error code for the TPS (Throttle Position Sensor).

The check engine light comes on once in a while, sometimes it clears itself, other times I clear it with my scanner, just kind of annoying. I don't see any problems when the light is on with the performance other than the annoyance!

Before I get a new TPS, is there anything I can do with this one. I have 176k miles on the motor.

 

[swathdiver]

On my '07 GMC Yukon XL Denali I am receiving an error code for the TPS (Throttle Position Sensor).

The check engine light comes on once in a while, sometimes it clears itself, other times I clear it with my scanner, just kind of annoying. I don't see any problems when the light is on with the performance other than the annoyance!

Before I get a new TPS, is there anything I can do with this one. I have 176k miles on the motor.

Follow the troubleshooting guide for that exact code to determine what the issue is. Otherwise, you're just guessing and wasting your time.

 

[BSarteSr]

Check engine light came on again yesterday and my scanner showed code P0121, cleared it, all fine now.

Seems the error code definition says it is:

P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem that is a drive by wire system the gas pedal has a sensor right above it make sure the plug is all the way in or the sensor could have a glicth in it and would have to be replaced

So not sure if I replace the TPS will fix this?

 

[GREGB1954]

My 2007 Tahoe just put out this code. Did replacing the TPS solve the problem?

 

[89Suburban]

Check the harness at the pigtail under the wire loom.

 

[DaDenaliDude]

My 07 Denali has this code on. It comes and goes. Did you get it fixed?