Engine-Codes - Generic - B2128

B2128 Code - UART Communication

- Code Popularity: 18,357 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B2128?

  • 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 to Fix the B2128 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B2128?

Labor: 1.0

The cost to diagnose the B2128 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B2128 Possible Symptoms?

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

|What Does the B2128 Code Mean?

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.

B2128 Code - UART Communication

|Need more Information on the B2128 Code?

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|Code B2128 Information for Specific Makes

|Need Help with the B2128 Code?

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