Code Definition

P0736 — Reverse incorrect gear ratio

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

About P0736

P0736 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.

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 P0736 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 P0736 fault code is triggered when the Transmission Control Module (TCM) detects that the gear ratio in reverse is not within the specified range set by the manufacturer. This code indicates a problem with the transmission's ability to engage or maintain the correct gear ratio in reverse. The issue can be attributed to various factors, including mechanical wear or damage inside the transmission, issues with the transmission fluid, or sensor malfunctions. Symptoms often observed with this fault include difficulty engaging reverse gear, slipping or jerking when in reverse, and unusual noises...

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