LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Can Communication System - Diagnostics - Introduction (4 Of 4)) >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Diagnostic Trouble Code Chart [10/2022 - ] >> Diagnostic Trouble Code Chart [10/2022 - ]

Diagnostic Trouble Code Chart [10/2022 - ]

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Note Link
B1020-04 Central Gateway ECU System Internal Failure DTC Output from
  • Central gateway ECU (network gateway ECU)
 Refer to DTC B1020-04: Central Gateway ECU System Internal Failure [10/2022 - ]
U115C-87 Lost Communication with ECM/PCM "A" (ch5) Missing Message DTC Output from
  • ECM
  • Engine stop and start ECU
  • Brake actuator assembly
 Refer to DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (ch2) Missing Message [10/2022 - ]
U1170-87 Lost Communication with Brake System Control Module (ch2) Missing Message DTC Output from
  • Engine stop and start ECU
  • Absorber control ECU
 Refer to DTC U115C-87: Lost Communication with ECM/PCM "A" (ch5) Missing Message; DTC U1170-87: Lost Communication with Brake System Control Module (ch2) Missing Message [10/2022 - ]
scientia non olet · About LEMON Manuals