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DTC C0078-00: Different Diameter Tire [11/2023 - ]: Description

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DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C0078-00 Different Diameter Tire The vehicle speed exceeds 20 km/h (12 mph) and a difference exceeding 20% between the value output from the speed sensors of the front wheels and the rear wheels occurs the specified number of times or more.
  • Incorrect tire size
  • Tire air pressure not adjusted correctly
  • Speed sensor system
  • No. 2 skid control ECU (brake actuator assembly)
 Comes on
  • SAE Code: C0078
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)
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