Back-Up Communication Bus Failure
Table of contents
B1268 LEXUS Possible Causes
- Faulty Combination Switch
- Combination Switch harness is open or shorted
- Combination Switch circuit poor electrical connection
How do I fix code B1268 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 B1268 LEXUS code
The cost of diagnosing the B1268 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)
B1268 LEXUS Description
This Diagnostic Trouble Code (DTC) is output when +B (Battery) or GND (Ground) short occurs in the back-up communication bus.