Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation
The P2140 code means the vehicle's onboard diagnostic system has detected: Throttle/Pedal Position Sensor/Switch E/F Voltage Correlation. This is a critical severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $100 - $700 (parts and labor)
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What Are the Symptoms of P2140?
- Reduced engine power
- Throttle mismatch with pedal position
- Hesitation during acceleration
- Limp mode warning
- Check engine light on
What Causes P2140? (Most Likely First)
- APP sensor E output not correlating with TPS F on throttle body Very High
- Dirty throttle body causing TPS F position error High
- Failing throttle body TPS F sensor Moderate
- Failing APP sensor E track Moderate
- Wiring fault in E or F circuit causing inaccurate readings Low
Can I Still Drive with P2140?
Short distances only. P2140 is rated critical severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
Can I drive with code P2140?
Only short distances at reduced power. The PCM cannot verify proper throttle system operation when E and F signals do not correlate. The vehicle will be in limp mode with limited acceleration.
Do I need to replace both the pedal and throttle body?
Not necessarily. Determine which sensor is faulty by comparing each to its paired track. If APP E does not match APP D, replace the pedal assembly. If TPS F does not match the primary TPS, replace the throttle body. Only replace the component with the faulty sensor.
How many position sensors does the electronic throttle system have?
A typical drive-by-wire system has four position sensors -- two on the accelerator pedal (D and E circuits) and two on the electronic throttle body (primary and F circuits). The PCM cross-references all four to verify safe operation.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P2140?
-
Monitor both APP sensor E and TPS F on scan tool -- their relationship should be consistent
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Clean throttle body to ensure accurate TPS F readings
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Test APP sensor E independently by comparing to APP sensor D
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Test TPS F independently by comparing to the primary TPS track
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Replace whichever component (pedal or throttle body) has the faulty sensor
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P2140?
- 2007-2017 Toyota RAV4
- 2008-2016 Honda CR-V
- 2009-2018 Nissan Rogue
- 2010-2019 Chevrolet Malibu
- 2006-2015 Ford Escape
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