Engine-Codes - Lexus - B1207 LEXUS

B1207 LEXUS - Multiplex Communication System

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?

B1207 LEXUS Possible Causes

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

How do I fix code B1207 LEXUS

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 B1207 LEXUS code

Labor: 1.0

The cost of diagnosing the B1207 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1207 LEXUS 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.

B1207 LEXUS More Information

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