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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Heating / Air Conditioning System (Except HEV, Manual A/C) - Diagnostic Codes & Symptom Tests) >> AIR CONDITIONING SYSTEM (for Gasoline Model with Manual 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 [11/2022 - ] >> Description

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 [11/2022 - ]: Description

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These DTCs are stored when the CAN communication system is malfunctioning.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
U0100-87 Lost Communication with ECM/PCM "A" Missing Message Diagnosis Condition:
  1. IG voltage 8.5 V or higher

Malfunction Status:
  1. No communication with ECM

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

Malfunction Status:
  1. No communication with power steering ECU assembly

Detection Time:
  1. Continuously for 10 seconds or more
  • CAN communication system
  • Power steering ECU assembly
  • Air conditioning amplifier assembly
 Memorized
U0140-87 Lost Communication with Body Control Module Missing Message Diagnosis Condition:
  1. IG voltage 8.5 V or higher

Malfunction Status:
  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
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Diagnosis Condition:
  1. IG voltage 8.5 V or higher

Malfunction Status:
  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
U0163-87 Lost Communication with Navigation Control Module Missing Message Diagnosis Condition:
  1. IG voltage 8.5 V or higher

Malfunction Status:
  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
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