P2135
Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation
P2135 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation. Common causes: throttle position sensor malfunction, damage to the wiring harness to the sensors. Estimated repair cost: $17–67.
Symptoms
- Check Engine light comes on
- Loss of engine power
- Unstable idle speed
- The car goes into emergency mode
- Delayed response to the gas pedal
Causes
- Throttle Position Sensor Malfunction
- Damage to the wiring harness to the sensors
- Corrosion or poor contact in connectors
- Mechanical throttle problems
- Accelerator pedal malfunction (on systems with electronic pedal)
How to Fix
- Check the readings of the throttle position sensors with a scanner
- Inspect the wiring harness and connectors for damage.
- Clean the throttle valve and check its mechanical operation
- Replace faulty throttle position sensor
- Perform throttle valve calibration after repair
Related codes
Error P2135 by Vehicle Brand
FAQ
What does the P2135 code mean?
P2135 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch A/B Voltage Correlation
What causes a P2135 error code?
The most common causes of P2135 include: Throttle Position Sensor Malfunction; Damage to the wiring harness to the sensors; Corrosion or poor contact in connectors; Mechanical throttle problems.
How do I fix a P2135 diagnostic trouble code?
To fix P2135: Check the readings of the throttle position sensors with a scanner. Inspect the wiring harness and connectors for damage.. Clean the throttle valve and check its mechanical operation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2135?
Limited driving only, diagnose soon
How much does it cost to fix P2135?
The estimated repair cost for P2135 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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