OBDII Code List

B2791 SCION - Communication Condition Failure Between ECM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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B2791 SCION Possible Causes

  • Faulty ID Code Box
  • ID Code Box harness is open or shorted
  • ID Code Box circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

First diagnose B2791 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 B2791 SCION code

    Labor: 1.0

    The cost of diagnosing the B2791 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.

B2791 SCION Possible Symptoms

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

B2791 Scion Description

This Diagnostic Trouble Code (DTC) is output when the ID Code Box does not respond to a verification request signal from the Engine Control Module (ECM).
OBDII Code B2791 Scion - Communication Condition Failure Between ECM -

B2791 SCION More Information

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