What would cause a P0121 code?
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 above or below the sensor’s expected range.
How do you adjust a pedal position sensor?
Loosen the throttle position sensor retaining screw with a Phillips-head screwdriver. Adjust the TPS by moving it back and forth until the voltage is between 4.0 and 5.5 volts. Hold the TPS in place and tighten the retaining screw with the Phillips-head screwdriver.
How do I fix code 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 causes a 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. 20 volts, and if the ECM detects that it has dipped below that, then it will trigger Code P0122.
How do you reset a 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.
Where is the pedal position 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.
What does it mean when your car says p0121?
The error code P0121 may indicate an issue related to your engine’s throttle position sensor. Like other throttle position sensor-related codes, this could lead to serious problems and can result in your vehicle not starting at all. Let’s take a look at code P0121 and its other potential consequences.
How much does it cost to repair a Toyota p0121 code?
The cost of diagnosing the P0121 TOYOTA code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
How to diagnose p0121 Toyota pedal position sensor?
Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost to diagnose the P0121 TOYOTA code is 1.0 hour of labor.
What does the code p0125 mean on a Toyota engine?
If no information is coming from the sensor after the engine is warmed up, this will trigger the code P0125. Possible causes include low coolant, stuck or bad thermostat, or faulty sensor.