Code Definition

P0792 — Counter gear speed sensor circuit signal out of range - Sensor 1

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

About P0792

P0792 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 P0792 is stored, the module has detected a plausibility fault — the measured value is in the electrical range but is not consistent with expected operating behaviour; 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 P0792 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 fault code P0792 is set when the transmission control module (TCM) or the engine control module (ECM) in vehicles with integrated control systems detects that the signal from the intermediate shaft (or counter gear) speed sensor, designated as Sensor 1, is out of the expected range or performing abnormally. This sensor is essential for monitoring the speed of the intermediate shaft in the transmission, information that the TCM/ECM uses to regulate gear shifts and transmission operation. A signal that is out of range or showing performance issues can result in improper shifting, unusual tra...

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