Code Definition

P0713 — Transmission Fluid Temperature Sensor Circuit High Input

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P0713

P0713 is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P0713 is stored, the module has detected a signal or supply voltage higher than the expected operating range; and a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

Because P0713 is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P0713 code is set when the Engine Control Module (ECM) or Transmission Control Module (TCM) detects a high voltage input from the transmission fluid temperature sensor circuit. This sensor is essential for monitoring the temperature of the transmission fluid, a critical factor in the operation and protection of the transmission system. A high input signal often points to an open circuit or a potential fault in the sensor itself, leading to incorrect transmission fluid temperature readings. This can adversely affect the transmission's shifting behaviour, efficiency, and can potentially lead...

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