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Home >> Lexus >> 2010 >> LS 600hL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control (Diagnostic Codes (P0338-885 - P0A1A-658) >> Hybrid Control System >> DTC P0731-873: Gear 1 Incorrect Ratio >> Description

DTC P0731-873: Gear 1 Incorrect Ratio: Description

For a description of the hybrid vehicle transmission assembly. Refer to DESCRIPTION .

HINT: 

Although the DTC title indicates an incorrect gear ratio, this DTC relates to a malfunction of the B2 hydraulic circuit.

DTC No. INF Code DTC Detection Condition Trouble Area
P0731 873 After DTC P0868 is detected, the hybrid vehicle control ECU cannot confirm that the fluid pressure is forcibly applied to the B2 circuit.
  • Hybrid vehicle transmission assembly
  • Hybrid vehicle control ECU
  • Wire harness or connector