Engine-Codes
 
OBDII Code List
 
P1731 2003 INFINITI G35

P1731 2003 INFINITI G35 - A/T 1st Engine Brake

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty Low coast brake solenoid valve
  • Low coast brake solenoid valve harness is open or shorted
  • Low coast brake solenoid valve circuit poor electrical connection
  • When is the code detected?

    TCM does not receive the proper voltage signal from the sensor.
    TCM monitors each pressure switch and solenoid monitor value, and detects as irregular when engine brake of 1st gear acts other than at 1M position.

    Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • P1731 2003 Infiniti G35 Description

    Fail-safe function to prevent a sudden decrease in speed by engine brake other than at 1M position.
    OBDII Code P1731 2003 Infiniti G35 - A/T 1st Engine Brake - Engine-Codes.com

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