DTC P0731: Gear 1 Incorrect (Incorrect Gear Ratio Detected)

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Detection Condition & Possible Cause- DTC P0731

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Fig 2: Diagnostic Procedure - DTC P0731 (1 Of 2)

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Fig 3: Diagnostic Procedure - DTC P0731 (2 Of 2)

Courtesy of MAZDA MOTORS CORP.