B222A Code - Power Back Door Touch Sensor Left 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) Sensor Assembly Left (LH), Power Back Door Sensor Assembly Left harness is open or shorted, Power Back Door Sensor Assembly Left 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
- B222A indicates Power Back Door Touch Sensor Left Circuit.
- Common causes
- Common causes include Faulty Power Back Door (PBD) Sensor Assembly Left (LH), Power Back Door Sensor Assembly Left harness is open or shorted, Power Back Door Sensor Assembly Left 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 B222A Description
This Diagnostic Trouble Code (DTC) is output when the Multiplex Network Door ECU detects a Power Back Door (PBD) Sensor Assembly set Left (LH) Touch Sensor malfunction.
What are the Possible Causes of the DTC B222A?
- Faulty Power Back Door (PBD) Sensor Assembly Left (LH)
- Power Back Door Sensor Assembly Left harness is open or shorted
- Power Back Door Sensor Assembly Left circuit poor electrical connection
- Faulty Multiplex Network Door ECU
How to Fix the DTC B222A?
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 B222A 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
- B222A Chrysler — Vehicle Line Mismatch
- B222A Dodge — Vehicle Line Mismatch
- B222A Jeep — Vehicle Line Mismatch
- B222A Lexus — Power Back Door Touch Sensor Left Circuit
- B222A RAM — Vehicle Line Mismatch
- B222A Toyota — Power Back Door Touch Sensor Left Circuit
Frequently Asked Questions about B222A Code
1. What are the common symptoms of OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
The common symptoms include the power back door not responding to touch sensor input on the left side, causing the door to malfunction or not open/close properly.
2. What are the possible causes of OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
Possible causes include a faulty touch sensor on the left side, damaged wiring or connectors in the circuit, or a malfunction within the power back door control module.
3. How can I diagnose the issue related to OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
You can diagnose the problem by inspecting the wiring and connectors for damage, testing the touch sensor for proper functionality, and using a scan tool to check for trouble codes in the power back door control module.
4. Can I repair OBDII code B222A (Power Back Door Touch Sensor Left Circuit) on my own?
It is recommended to have the issue diagnosed by a professional technician to accurately identify and repair the root cause of the problem, especially if it involves complex electrical components.
5. Is it safe to continue driving with OBDII code B222A (Power Back Door Touch Sensor Left Circuit) present?
It is not recommended to ignore the issue, as it can lead to further malfunction of the power back door system, potentially causing safety hazards or inconvenience while using the vehicle.
6. How much does it typically cost to repair OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
The cost of repair can vary depending on the specific cause of the issue, but it may involve replacing the touch sensor, repairing wiring or connectors, or reprogramming the power back door control module.
7. Can weather conditions affect the operation of the touch sensor related to OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially impact the functionality of the touch sensor, leading to intermittent issues with the power back door operation.
8. Are there any preventive measures to avoid encountering OBDII code B222A (Power Back Door Touch Sensor Left Circuit)?
Regularly inspecting and maintaining the power back door system, keeping the touch sensor area clean and free from debris, and addressing any issues promptly can help prevent the occurrence of this trouble code.
9. Can a low battery voltage cause OBDII code B222A (Power Back Door Touch Sensor Left Circuit) to trigger?
Low battery voltage or electrical system issues can potentially affect the operation of the power back door system, including the touch sensor circuit, leading to the triggering of this trouble code.
10. Is the touch sensor on the left side of the power back door interchangeable with the right side sensor?
The touch sensors on the left and right sides of the power back door are usually specific to their respective locations and may not be interchangeable, so it is important to use the correct sensor for each side during repairs or replacements.
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