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Home >> Toyota >> 2025 >> Tacoma Trailhunter >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Stop And Start System - Diagnostic Codes >> Stop And Start System >> DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0114-87: Lost Communication with Four-Wheel Drive Clutch Control Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module 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 U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; 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 [12/2023 - ] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

U0100, U115C

Communication signal Lost communication with engine control module
U0101

Communication signal Lost communication with TCM
U0114

Communication signal Lost communication with four-wheel drive clutch control module
U0129

Communication signal Lost communication with brake system control module
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