How do I fix error P0121?
What repairs can fix the P0121 code?
- Repairing or replacing the TPS connector.
- Repairing the wiring as necessary.
- Replace the TPS with a new sensor.
What does Engine code P0121 mean?
Throttle/Pedal Position Sensor
P0121 Code: Throttle/Pedal Position Sensor “A” Circuit Range/Performance Problem – In The Garage with CarParts.com. In The Garage with CarParts.com. Features. Auto Repair. Vehicle Reliability.
How do you reset a throttle pedal position sensor?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
What causes throttle position sensor code?
Code P0122 is triggered when your vehicle’s Engine Control Module (ECM) detects that your Throttle Position Sensor (TPS) circuit A is reporting an output voltage that is below its expected voltage. Depending on your vehicle, your TPS lower output voltage limit should be around .
How do I reset my GM electronic throttle control manually?
Resetting your electronic throttle control manually can be a tricky job. First, make sure the accelerator pedal is fully released. Next, turn the ignition on and then turn it off and wait for ten seconds. During these ten seconds, be sure the throttle valve is moving by listening for a sound of operation.
How do I reset my GM throttle body?
Make sure that the accelerator pedal is fully released. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. Turn ignition switch “ON” and wait at least 2 seconds.
Where is the electronic throttle control sensor located?
A throttle position sensor (TPS) is a sensor used to monitor the air intake of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle. More advanced forms of the sensor are also used.
How do I know my throttle position sensor is bad?
Symptoms of a Bad or Failing Throttle Position Sensor
- Car won’t accelerate, lacks power when accelerating, or accelerates itself.
- Engine won’t idle smoothly, idles too slowly, or stalls.
- Car accelerates, but won’t exceed a relatively low speed, or shift up.
Can you drive with a bad throttle position sensor?
This is one of the symptoms that can make your car dangerous to drive. If your TPS causes the butterfly valve in your throttle to close too much while driving, then it will cause your car engine to die. A malfunctioning TPS can also affect your car’s fuel injection system.