P2135 — Throttle Position Sensor Disagreement
| Meaning | The engine computer compares two different sensors that measure how far down your gas pedal is pressed. When these two signals do not match up properly, the computer gets confused and triggers this code to keep the car safe. |
| Family | Powertrain (P) |
Typical symptoms
The accelerator pedal may stop responding normally
A warning light appears on your dashboard
Common causes
Worn-out internal parts inside the throttle position sensor
An issue with the main computer wiring harness
What to do
Frequently asked questions
What does code P2135 mean?
Throttle Position Sensor Disagreement. The engine computer compares two different sensors that measure how far down your gas pedal is pressed. When these two signals do not match up properly, the computer gets confused and triggers this code to keep the car safe.
Can I keep driving with code P2135 active?
With caution: limp mode possible, have it checked soon
Common causes — P2135
A bad connection or corrosion in the wiring plug at the throttle body Worn-out internal parts inside the throttle position sensor An issue with the main computer wiring harness
How do you fix code P2135?
Have a technician check the wiring plug and terminals at the throttle body first, as loose or dirty pins are very common here. Because this affects your ability to control the engine speed, you should have it checked promptly.
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