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Home >> Toyota >> 2011 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (2ZR-FE) (Diagnostic Codes & Symptom Tests) >> VEHICLE STABILITY CONTROL SYSTEM (for 2ZR-FE) >> DTC C1437: Lost Communication with ECM >> Description

DTC C1437: Lost Communication with ECM: Description

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

DTC No. DTC Detection Condition Trouble Area
C1437 When the IG1 terminal voltage is 10 V or more and the vehicle speed is 15 km/h (9 mph) or more, data cannot be sent to the ECM for 2 seconds or more.
  • CAN communication system (Skid control ECU to ECM)
  • Brake actuator assembly (Skid control ECU)
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