B1221 - Open In The Rear Mode Control Motor Circuit
B1221 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 do I fix code B1221?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 B1221 code
Labor: 1.0The cost of diagnosing the B1221 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.
- Engine Light ON (or Service Engine Soon Warning Light)
B1221 DescriptionThe 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.
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