B1806 2016 Toyota RAV4 Code - Open In Front Passenger Side Squib Circuit
Quick Answer
The Front Passenger Side Squib Circuit consists of the Center Airbag Sensor Assembly and the Front Passenger Airbag Assembly. Common causes include Instrument panel wire, Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib), Front Passenger Airbag Assembly harness is open or shorted. 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
- B1806 2016 Toyota RAV4 indicates Open In Front Passenger Side Squib Circuit.
- Common causes
- Common causes include Instrument panel wire, Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib), Front Passenger Airbag Assembly harness is open or shorted.
- 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 B1806 2016 Toyota RAV4 Description
What are the Possible Causes of the DTC B1806 2016 Toyota RAV4?
- Instrument panel wire
- Faulty Front Passenger Airbag Assembly (Front Passenger Side Squib)
- Front Passenger Airbag Assembly harness is open or shorted
- Front Passenger Airbag Assembly circuit poor electrical connection
- Faulty Center Airbag Sensor Assembly
How to Fix the DTC B1806 2016 Toyota RAV4?
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 B1806 2016 Toyota RAV4 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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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service
- Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
- Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
- Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
- Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.
Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
Frequently Asked Questions about B1806 2016 Toyota RAV4 Code
1. What does the OBDII code B1806 indicate on a 2016 Toyota RAV4?
The code B1806 indicates an issue with the "Open in Front Passenger Side Squib Circuit," suggesting a malfunction in the airbag system where the circuit for the front passenger airbag is open or disconnected.
2. What are common symptoms of the B1806 code in a 2016 Toyota RAV4?
Common symptoms include the airbag warning light being illuminated on the dashboard and potentially the passenger airbag not deploying in the event of an accident.
3. What could cause the B1806 code to appear on a 2016 Toyota RAV4?
Potential causes include a loose or corroded connector in the passenger airbag circuit, a broken wire within the circuit, or a malfunctioning airbag control module.
4. How can I diagnose the B1806 code in my 2016 Toyota RAV4?
Diagnosis should start with visually inspecting the wiring and connectors related to the front passenger airbag. Use a multimeter to check for continuity in the squib circuit. If no issues are found there, further diagnosis of the airbag control module may be necessary.
5. What steps should be taken to repair the B1806 code in a 2016 Toyota RAV4?
Repair steps typically involve first checking and ensuring all connections are secure and free of corrosion. If the issue persists, replacing the faulty wiring or connector may resolve the problem. If no wiring issues are found, consider testing or replacing the airbag control module.
6. Is it safe to drive my 2016 Toyota RAV4 with the B1806 code active?
While the vehicle can still be driven, safety is compromised as the passenger airbag may not deploy in the event of a crash. It is advisable to address the issue promptly to ensure passenger safety.
7. Can a faulty passenger airbag itself cause the B1806 code in a 2016 Toyota RAV4?
Yes, a faulty or malfunctioning passenger airbag can trigger this code if the airbag's internal circuits fail and cause an open circuit condition.
8. What tools are needed to fix the B1806 code in a 2016 Toyota RAV4?
Repairing this code may require a multimeter for electrical testing, basic hand tools to access the airbag module and connections, and possibly a scanner to reset the airbag system after repairs.
9. How long does it typically take to fix the B1806 code in a 2016 Toyota RAV4?
The repair time can vary based on the specific cause of the fault. Simple connector issues could be resolved in under an hour, while more complex problems involving wiring repairs or module replacement may take several hours.
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