All codes/P0726

P0726

Engine Speed Input Circuit Range/Performance

High severity

This code indicates engine speed input circuit range/performance. It relates to the transmission and may affect performance, emissions, or drivability depending on the exact failure.

Engine Speed Input Circuit Range/Performance

Common causes

  • Low or degraded transmission fluid

    Low fluid level or old fluid can cause shifting and pressure faults.

    medium

    Typical part cost: $100-400

  • Faulty sensor or solenoid

    Transmission sensors and solenoids commonly fail and set codes.

    medium

    Typical part cost: $100-400

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0726 mean?

P0726 means "Engine Speed Input Circuit Range/Performance". It is a generic OBD-II code that points to a fault in the transmission.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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