BUS IC Communication Malfunction
Table of contents
B1497 LEXUS Possible Causes
- Faulty Air Conditioning Amplifier
- Air Conditioning Amplifier harness is open or shorted
- Air Conditioning Amplifier circuit poor electrical connection
How do I fix code B1497 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 B1497 LEXUS code
The cost of diagnosing the B1497 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.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1497 LEXUS Description
The air conditioning harness connects the Air Conditioning Amplifier and the servos. The Air Conditioning Amplifier supplies power and sends operation instructions to each servo through the air conditioning harness. Each servo sends damper position information to the Air Conditioning Amplifier.