P0121 Code Chevy Tahoe. * tps has intermittent open or short internally. Web a trouble code of p0121 on the chevy tahoe means there is an issue with the throttle pedal position sensor switch.
Web chevrolet p0121 diagnosing and repair. Web a trouble code of p0121 on the chevy tahoe means there is an issue with the throttle pedal position sensor switch. Web a code p0121 may mean that one or more of the following has happened:
Then went away a couple of days later. Solving the p0121 error code in your chevy: * tps has intermittent open or short internally.
I cleaned the throttle body on the vehicle and the code went away and never came back. Web when a trouble code p0121: Web to sum things up, the common causes for code p0121 are as follows:
Web what causes it? Web when code p0121 appears, it hints that the engine control module (ecm) has detected that the predicted output voltage of the tps ‘a’ circuit has gone above or below the sensor’s. Web when code p0121 occurs, it means that your engine control module (ecm) recognized that your throttle position “a” circuit’s expected output voltage has either gone.
Learn what throttle position sensor 1 performance means, location and how to repair? The p0121 code will cause the engine ecm to go into a failsafe mode, which will cause various drive complaints until repairs are done like lack of. I had a tps code p0121 on my 2007 chevy tahoe.
Tps circuit is open or shorted; The p0121 chevy is a code which indicates a fault in the throttle/pedal. The light will be on.
