OBDII Code List

B279A SCION - Deterrent System Communication

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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B279A SCION Possible Causes

  • Faulty Key
  • Faulty Transponder Key Electronic Control Unit (ECU)
  • Transponder Key Electronic Control Unit harness is open or shorted
  • Transponder Key Electronic Control Unit circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

First diagnose B279A SCION code

    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's pins.

Cost of diagnosing the B279A SCION code

    Labor: 1.0

    The cost of diagnosing the B279A SCION code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

B279A SCION Possible Symptoms

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

B279a Scion Description

If the communication line to the Transponder Key Electronic Control Unit (ECU) assembly is stuck on HI output, the Engine Control Module (ECM) sets the OBDII code.
OBDII Code B279a Scion - Deterrent System Communication -

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