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AutoCodes - Lexus - B2797 Lexus

B2797 Lexus Code - Communication Malfunction No. 1 Immobilizer System

- Code Popularity: 8,644 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By - Updated Jan 16, 2023
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|Code B2797 Lexus Possible Causes

  • Faulty Key
  • Faulty Transponder Key Coil
  • Faulty Transponder Key ECU Assembly

|How do I Fix the Code B2797 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.

Does your Lexus have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2797 Lexus?

Labor: 1.0

The cost of diagnosing the B2797 Lexus 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.

|What are Code B2797 Lexus Possible Symptoms?

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

|Code B2797 Lexus Description

This Diagnostic Trouble Code (DTC) is output when a communication error occurs between the key slot and transponder key ECU. The DTC B2797 is stored when a key with a BCC malfunction is inserted into the ignition key cylinder.

OBDII Code B2797 Lexus - Communication Malfunction No. 1 Immobilizer System -
B2797 Lexus Code - Communication Malfunction No. 1 Immobilizer System

|Need More Information on the B2797 Lexus Code?

Need more information on how to fix the B2797 Lexus code? Get Access to Factory Service Manuals

|Need Help with the B2797 Lexus Code?

Get the B2797 Lexus code diagnosed by a professional: Find a repair shop in your area

|Code B2797 Lexus comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B2797 Lexus code? Have you replaced any parts?
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