Engine-Codes - Infiniti - B2128 Infiniti

B2128 Infiniti Code - UART Communication

- Code Popularity: 7,849 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC B2128 Infiniti?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC B2128 Infiniti?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

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

What are Code Possible Symptoms?

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

What Does the B2128 Infiniti 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 Infiniti Code - UART Communication

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