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All codes/P0701

P0701

Transmission Control System Range/Performance

High severity

The TCM has detected a transmission performance issue without identifying a specific component fault — typically slip outside expected range, shift timing outside spec, or a hydraulic issue not yet diagnosed by a more specific code.

The TCM has detected a transmission performance issue without identifying a specific component fault — typically slip outside expected range, shift timing outside spec, or a hydraulic issue not yet diagnosed by a more specific code.

Common causes

  • Transmission fluid low or burnt

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $220-3850

  • Valve body wear

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $220-3850

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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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Tools you may need

Already have a compatible scanner? Use it. If not, a Bluetooth OBD2 adapter can help you confirm engine codes and check supported live sensor data before replacing parts.

Illustration of a Bluetooth OBD2 adapter, not a product photo

Basic checks

Veepeak OBDCheck BLE

A Bluetooth LE adapter for reading standard engine codes and supported live data.

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Illustration of a Bluetooth OBD2 adapter, not a product photo

Regular diagnostics

vgate iCar Pro BLE 4.0

A Bluetooth LE adapter with an automatic sleep feature for routine code and sensor checks.

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Illustration of a Bluetooth OBD2 adapter, not a product photo

Another option

OBDLink CX

A Bluetooth LE adapter to consider when comparing supported vehicles and diagnostic apps.

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Illustrations shown, not product photos. Check vehicle, phone and app compatibility before buying. These adapters do not guarantee access to ABS, airbags or manufacturer-specific systems. Clearing a code does not repair the fault and can reset emissions readiness monitors.

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Related codes

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Frequently asked questions

What does P0701 mean?

P0701 means "Transmission Control System Range/Performance". It is a generic OBD-II code that points to a fault in the transmission.

What are the most common causes of P0701?

transmission fluid low or burnt; valve body wear; sensor element aged beyond calibration window — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

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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