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DTC C1437 Lost Communication with ECM: Description

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

DTC DETECTION CONDITION CHART

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 (Skid control ECU to ECM)
  • Brake actuator assembly (Skid control ECU)
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