Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001H6LX
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [02/2019 - 12/2021]
Title: EXTERIOR PANELS / TRIM: GRILLE SHUTTER SYSTEM (for HV Model): U129387; Lost Communication between Hybrid Powertrain Control Module and Active Grille Air Shutter Missing Message; 2019 - 2021 MY RAV4 HV [02/2019 - 12/2021]

DTC

U129387

Lost Communication between Hybrid Powertrain Control Module and Active Grille Air Shutter Missing Message

DESCRIPTION

This DTC is stored if a communication malfunction occurs between the hybrid vehicle control ECU assembly and swing grille actuator assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U129387

Lost Communication between Hybrid Powertrain Control Module and Active Grille Air Shutter Missing Message

CAN communication malfunction between the hybrid vehicle control ECU assembly and swing grille actuator assembly. (1 trip detection logic*)
  • CAN communication system
  • Swing grille actuator assembly
  • Hybrid vehicle control ECU assembly
  • *: This malfunction is only detected when the ignition switch is to ON.

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Powertrain > Engine > Trouble Codes

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