DTC P0730 BMW

Gear Incorrect Ratio

Gear Incorrect Ratio

Description

Engine started, battery voltage must be at least 11.5v, all electrical components must be off, and the ground between the engine and the chassis must be well connected. The DME detected an incorrect gear ratio.

Cause and Solution

ATF level is low
Circuit harness connector contacts are corroded or ingresses of water
Circuit wires have shorted to each other, to battery or ground
Automatic Transmission Hydraulic Pressure Sensor 1 has failed

Video Guide

Duration: PT4M11S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0730
  • Brand: BMW
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