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HOMESERVICE MANUALSTOYOTA2025HIGHLANDER XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSHEATING / AIR CONDITIONING SYSTEM (EXCEPT HV, W/ AUTO A/C) - DIAGNOSTIC CODES (2 OF 2)AIR CONDITIONING SYSTEM (FOR GASOLINE MODEL WITH AUTOMATIC AIR CONDITIONING SYSTEM)DTC U0100-87: LOST COMMUNICATION WITH ECM/PCM "A" MISSING MESSAGE; DTC U0131-87: LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE MISSING MESSAGE; DTC U0140-87: LOST COMMUNICATION WITH BODY CONTROL MODULE MISSING MESSAGE; DTC U0155-87: LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE MISSING MESSAGE; DTC U0163-87: LOST COMMUNICATION WITH NAVIGATION CONTROL MODULE MISSING MESSAGE; DTC U0198-87: LOST COMMUNICATION WITH TELEMATIC CONTROL MODULE "A" MISSING MESSAGE [11/2023 - ]DESCRIPTION
2025 Toyota Highlander XLE, FWD

DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0198-87: Lost Communication with Telematic Control Module "A" Missing Message [11/2023 - ]: Description

2025 Toyota Highlander XLE, FWDSECTION Description
DTC No. Detection Item DTC Detection Condition Trouble Area Memory DTC Output from Priority
U0100-87 Lost Communication with ECM/PCM "A" Missing Message Diagnosis Condition:
  1. IG voltage is 8.5 V or more.

Malfunction:

  1. No communication with ECM

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • ECM
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
U0131-87 Lost Communication with Power Steering Control Module Missing Message Diagnosis Condition:
  1. IG voltage is 8.5 V or more.

Malfunction:

  1. No communication with power steering ECU (rack and pinion power steering gear assembly)

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • Power steering ECU (rack and pinion power steering gear assembly)
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
U0140-87 Lost Communication with Body Control Module Missing Message Diagnosis Condition:
  1. IG voltage is 8.5 V or more.

Malfunction:

  1. No communication with main body ECU (multiplex network body ECU)

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • Main body ECU (multiplex network body ECU)
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Diagnosis Condition:
  1. IG voltage is 8.5 V or more.

Malfunction:

  1. No communication with combination meter assembly

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • Combination meter assembly
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
U0163-87 Lost Communication with Navigation Control Module Missing Message Diagnosis Condition:
  1. IG voltage is 8.5 V or more.

Malfunction:

  1. No communication with radio and display receiver assembly

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • Radio and display receiver assembly
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
U0198-87 Lost Communication with Telematic Control Module "A" Missing Message Diagnosis Condition:
  1. IG voltage 8.5 V or higher

Malfunction Status:

  1. No communication with DCM (telematics transceiver)

Detection Time:

  1. Continuously for 10 seconds or more
  • CAN communication system
  • DCM (telematics transceiver)
  • Air conditioning amplifier assembly
 Memorized Air Conditioner B
RENDER: 1.0x

NO RELATED

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