Input/Turbine Speed Sensor Circuit Intermittent
The P0718 code means the vehicle's onboard diagnostic system has detected: Input/Turbine Speed Sensor Circuit Intermittent. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $100 - $400 (parts and labor)
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Basic scanners only read engine codes. This reads transmission, ABS, and airbag too.
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What Are the Symptoms of P0718?
- Check Engine Light illuminated intermittently
- Occasional harsh shifting
- Sporadic speedometer drop-outs
- Intermittent limp mode engagement
What Causes P0718? (Most Likely First)
- Loose input speed sensor connector Very High
- Intermittent break in speed sensor wiring High
- Failing speed sensor with erratic signal Moderate
- Debris on sensor tip affecting readings Low
Can I Still Drive with P0718?
Short distances only. P0718 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
Can I drive with code P0718?
Drive short distances only. Input/Turbine Speed Sensor Circuit Intermittent can cause unsafe or unpredictable transmission behavior.
What causes P0718?
The most common cause is a faulty sensor or wiring issue. Loose input speed sensor connector is the most likely cause.
Is P0718 expensive to fix?
Estimated repair costs range from $100 - $400 (parts and labor). Sensor replacement is the most common fix.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0718?
-
Monitor input speed sensor on a scan tool during a test drive for signal dropouts
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Wiggle the sensor connector and wiring while monitoring readings
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Inspect sensor tip for metallic debris accumulation
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Check wiring at stress points for broken strands inside insulation
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Replace the input speed sensor if intermittent readings persist
Sources 1
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)
Which Vehicles Commonly Get P0718?
- 2003-2015 Honda Civic
- 2004-2016 Toyota RAV4
- 2005-2017 Nissan Rogue
- 2002-2014 Ford Focus
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