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AutoCodes - Generic - B2128

B2128 Code - UART Communication

- Code Popularity: 18,048 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Sep 19, 2019
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|Code B2128 Possible Causes

  • Universal Asynchronous Receiver Transmitter (UART) Communication Line
  • Faulty Driver seat control unit
  • Driver seat control unit harness is open or shorted
  • Driver seat control unit circuit poor electrical connection

|How do I Fix the Code B2128?

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 Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2128?

Labor: 1.0

The cost of diagnosing the B2128 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 B2128 Possible Symptoms?

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

|Code B2128 Description

Driver seat control unit performs Universal Asynchronous Receiver Transmitter (UART) communication with the automatic drive positioner control unit using 2 communication lines, TX and RX line. Driver seat control unit receives the operation signals of tilt & telescopic switch, door mirror remote control switch, set switch and memory switch and the position signals of tilt & telescopic sensor and door mirror sensor from the automatic drive positioner control unit and transmits the operation request signal.

OBDII Code B2128 - UART Communication - AutoCodes.com
B2128 Code - UART Communication

|Need More Information on the B2128 Code?

Need more information on how to fix the B2128 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2128 Code?

Get the B2128 code diagnosed by a professional: Find a repair shop in your area

|Code B2128 comments

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