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C1437 Lexus Code - Lost Communication With ECM

- Code Popularity: 2,091 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1437 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Skid Control ECU (Brake Actuator Assembly)
  • Skid Control ECU harness is open or shorted
  • Skid Control ECU circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
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How to Fix the DTC C1437 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1437 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

Code C1437 Lexus Description

The Skid Control ECU (Brake Actuator Assembly) receives signals from the Engine Control Module (ECM) via the Controller Area Network (CAN) communication system. The Diagnostic Trouble Code (DTC) will be set when the 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.

OBDII Code C1437 Lexus - Lost Communication With ECM - AutoCodes.com
C1437 Lexus Code - Lost Communication With ECM

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Code C1437 Lexus comments

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