Engine-Codes - Toyota - B1207 TOYOTA

B1207 TOYOTA - Multiplex Communication System

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

B1207 TOYOTA Possible Causes

  • Faulty Certification ECU
  • Certification ECU harness is open or shorted
  • Certification ECU circuit poor electrical connection

How is the B1207 TOYOTA code repair?

Start by checking 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.

What is the cost to diagnose the B1207 TOYOTA code

Labor: 1.0

The cost to diagnose the B1207 TOYOTA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B1207 TOYOTA Meaning

The Certification ECU communicates with the Transponder Key to verified that the Key has been registered to the vehicle. The Engine Control Module (ECM) sets the ODBII code when communication between the Certification ECU and gateway ECU stops for more than 10 seconds.

More Information

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