Question 1

What does P2135 mean?

Accepted Answer

P2135 - Throttle/Pedal Position Sensor Voltage Correlation. The dual throttle position sensors inside the electronic throttle body are not agreeing with each other.

Question 2

What are the symptoms of P2135?

Accepted Answer

Reduced engine power, Limp mode, Check engine light, Very limited acceleration, Stalling

Question 3

What causes P2135?

Accepted Answer

Failed electronic throttle body, Carbon buildup affecting sensor readings, Wiring issue, Corroded connector, Pedal position sensor failure

Question 4

How much does it cost to fix P2135?

Accepted Answer

Typical repair cost: $100-$600. This is a safety-critical code. The dual TPS sensors are a redundancy check. Clean the throttle body — sometimes carbon interferes with the sensor readings. If cleaning doesn't fix it, throttle body replacement is needed.

P2135 — Throttle/Pedal Position Sensor Voltage Correlation

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Common symptoms of P2135

Common causes of P2135

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