LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Toyota
>>
2021
>>
RAV4 Adventure
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
Engine Control Systems
>>
Stop And Start System - Diagnostic Codes (3 Of 3) & Circuit Tests (1 Of 3)
>>
Stop And Start System
>>
DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [10/2023 - ]
>>
Typical Malfunction Thresholds
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Typical Malfunction Thresholds
U0100
Communication signal
Lost communication with engine control module
U0129
Communication signal
Lost communication with brake system control module