Engine-Codes - Generic - B2154

B2154 Code - Front Echo Sensor Circuit Failure

- Code Popularity: 3,210 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B2154?

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 Front Echo Sensor
  • Front Echo Sensor harness is open or shorted
  • Front Echo Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)
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How to Fix the DTC B2154?

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 B2154 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?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B2154 Code Mean?

The Body Control Module (BCM) monitors the Front Echo Sensor. The BCM sets the OBDII code when the Front Echo Sensor is not to factory specifications.

B2154 Code - Front Echo Sensor Circuit Failure

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