B2220 Code - Back Door Motor Circuit
Quick Answer
The Power Back Door system enables the back door to be opened and closed automatically by a motor in accordance with signals from the back door control switch or the power back door button on an electrical key transmitter sub-assembly or door control transmitter. Common causes include Faulty Power Back Door (PBD) Unit Assembly Left (LH) or Right (RH), Power Back Door Unit Assembly Left or Right harness is open or shorted, Power Back Door Unit Assembly Left or Right circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B2220 indicates Back Door Motor Circuit.
- Common causes
- Common causes include Faulty Power Back Door (PBD) Unit Assembly Left (LH) or Right (RH), Power Back Door Unit Assembly Left or Right harness is open or shorted, Power Back Door Unit Assembly Left or Right circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B2220 Description
This Diagnostic Trouble Code (DTC) is output when the Multiplex Network Door ECU detects a malfunction in the motor built into the Power Back Door (PBD) Unit Assembly set Left (LH) or Right (RH).
What are the Possible Causes of the DTC B2220?
- Faulty Power Back Door (PBD) Unit Assembly Left (LH) or Right (RH)
- Power Back Door Unit Assembly Left or Right harness is open or shorted
- Power Back Door Unit Assembly Left or Right circuit poor electrical connection
- Faulty Multiplex Network Door ECU
How to Fix the DTC B2220?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2220 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- B2220 Lexus — Back Door Motor Circuit
- B2220 Toyota — Back Door Motor Circuit
Frequently Asked Questions about B2220 Code
1. What are the common symptoms of OBDII code B2220 (Back Door Motor Circuit)?
- Common symptoms include the back door not opening or closing properly, unusual noises from the back door motor, and the back door becoming stuck in one position.
2. What are the possible causes of OBDII code B2220?
- Possible causes include a malfunctioning back door motor, damaged wiring or connectors in the back door motor circuit, or a faulty back door control module.
3. How can I diagnose the OBDII code B2220?
- Diagnosis involves checking the back door motor and its connections for any visible damage, testing the back door control module, and using a scan tool to retrieve specific diagnostic trouble codes.
4. Can I repair OBDII code B2220 myself?
- Depending on your skill level and access to tools, you may be able to repair this code yourself by replacing the back door motor, repairing damaged wiring or connectors, or resetting the back door control module.
5. Is it safe to drive with OBDII code B2220 present?
- It is generally safe to drive with this code present, but you may experience issues with opening or closing the back door. It is recommended to address the issue as soon as possible to avoid inconvenience.
6. How much does it cost to repair OBDII code B2220?
- The cost of repair can vary depending on the specific cause of the code and whether you choose to do the repair yourself or take your vehicle to a professional. Costs may include parts and labor.
7. Can OBDII code B2220 cause other problems in my vehicle?
- While the code itself may not directly cause other problems, a malfunctioning back door motor or control module could potentially lead to issues with accessing the cargo area of your vehicle.
8. Are there any preventative measures to avoid OBDII code B2220?
- Regularly inspecting the back door motor and its components for signs of wear or damage, as well as following proper maintenance schedules, can help prevent issues that may trigger this code.
9. How long does it typically take to repair OBDII code B2220?
- The repair time can vary depending on the complexity of the issue and your experience level with automotive repairs. It may take anywhere from a few hours to a full day to complete the repair.
10. Will resetting the OBDII code B2220 make it go away permanently?
- Resetting the code may temporarily clear it, but if the underlying issue causing the code is not addressed, it is likely to reappear. It's important to diagnose and repair the root cause of the problem.
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