AutoCodes - OBDII Code List - B2278 SCION

B2278 SCION - Engine Switch Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B2278 SCION Possible Causes

  • Faulty Engine Switch
  • Engine Switch harness is open or shorted
  • Engine Switch circuit poor electrical connection
  • Faulty Main Body ECU

How do I fix code B2278 SCION?

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.
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Cost of diagnosing the B2278 SCION code

Labor: 1.0

The cost of diagnosing the B2278 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.

Possible Symptoms

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

B2278 SCION Description

This Diagnostic Trouble Code (DTC) is output when a malfunction is detected between the Main Body ECU and the engine switch, or either of the switches inside the engine switch is malfunctioning.
OBDII Code B2278 Scion - Engine Switch Circuit Malfunction -

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