P2135 High Powertrain

Throttle/Pedal Position Sensor A/B Voltage Correlation

Common Causes

Failed throttle position sensor (TPS A and B signals disagree)
Faulty electronic throttle body
Carbon buildup causing TPS tracking error
Damaged TPS wiring

Common Symptoms

Engine Hesitation on Acceleration Loss of Power / Reduced Power Mode

Related Videos

4:09
Causes and Fixes P2135: Throttle/Pedal Position Sensor/Switch A / B Vo...
HVAC Mechanic 143K views
3:49
How to Fix Chevy GMC P2135 Code: Throttle/Pedal Position Sensor/Switch...
HVAC Mechanic 121K views
5:57
Check Engine Light? Truck Reduced Engine Power or Stalling - Code P213...
1A Auto: Repair Tips & Secrets Only Mechanics Know 803K views

Was this information helpful?

Quick Info

Code P2135
System Powertrain
Severity High

Disclaimer

This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.

Track your repair and verify the fix with the FaultFix app

Connect an OBD2 scanner · rescan after the repair · earn a verified fix credit

App Store Google Play