Engine-Codes - Toyota - C1381 Toyota

C1381 Toyota Code - Acceleration Sensor Power Supply Voltage Malfunction

- Code Popularity: 9,088 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC C1381 Toyota?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Acceleration Sensor Calibration
  • Faulty Acceleration Sensor (Airbag Sensor Assembly)
  • Acceleration Sensor harness is open or shorted
  • Acceleration Sensor circuit poor electrical connection
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How to Fix the DTC C1381 Toyota?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the C1381 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops 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)

What Does the C1381 Toyota Code Mean?

The Skid Control ECU (Brake Actuator Assembly) receives signals from the Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly) via the Controller Area Network (CAN) communication system. The Airbag Sensor Assembly has a built-in acceleration sensor and detects the vehicle's condition.
If there is trouble in the bus lines between the Acceleration Sensor (Airbag Sensor Assembly) and the CAN communication system, the DTC U0124 (Lost Communication with Lateral Acceleration Sensor Module) is output.
This Diagnostic Trouble Code (DTC) is also output when calibration has not been completed.

C1381 Toyota Code - Acceleration Sensor Power Supply Voltage Malfunction

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