Causes and Fixes P2135: Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation 

How to fix a P2135 engine Code: Throttle/Pedal Position Sensor/Switch A / B Voltage Correlation
Note: If the throttle body or sensors are replaced, the computer
(ECM/PCM) may need a Relearn Procedure.
Possible Causes of a P2135 Code:
Bad Throttle Position Sensor
Throttle Position Sensor Wiring
Bad Throttle Body
Bad Accelerator Position Sensor
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