Engine-Codes - Generic - B1221

B1221 Code - Open In The Rear Mode Control Motor Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B1221 code possible causes

  • Faulty Rear Mode Control Motor
  • Rear Mode Control Motor harness is open or shorted
  • Rear Mode Control Motor circuit poor electrical connection
  • Faulty Rear Climate Control Unit
  • Faulty A/C Control Panel

|How is the B1221 code repair?

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 B1221 code

Labor: 1.0

The cost to diagnose the B1221 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.

|What are B1221 code possible symptoms?

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

|What is B1221 code meaning?

The Rear Climate Control Unit monitors the Rear Mode Control Motor. The Rear Climate Control Unit sets the OBDII code when the Rear Mode Control Motor is not to factory specifications.

|Need more information with the B1221 code?

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|B1221 code information for specific makes

  • B1221 ACURA Open In The Rear Mode Control Motor Circuit
  • B1221 HONDA Open In The Rear Mode Control Motor Circuit

|Need help with a B1221 code?

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