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Home >> Toyota >> 2017 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Hydraulic Brake Booster) - Diagnostic Codes (C1422-U0073) & Symptom Tests >> VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster) >> DTC C1437: Lost Communication with ECM [08/2015 - ] >> Description

DTC C1437: Lost Communication with ECM [08/2015 - ]: Description

The skid control ECU receives signals from the ECM via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
C1437 When the IG1 terminal voltage is 10 V or higher and the vehicle speed is 15 km/h (9 mph) or more, data cannot be sent from the ECM for 2 seconds or more.
  • Engine control system
  • CAN communication system
  • Master cylinder solenoid (Skid control ECU)
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