B1907 Toyota Code - Short to Ground in Front Pretensioner Squib Left Circuit
Quick Answer
The Front Pretensioner Squib Left (LH) Circuit consists of the Center Airbag Sensor Assembly and Front Seat Outer Belt Assembly Left (LH). Common causes include Faulty Front Seat Outer Belt Assembly Left (LH) (Front Pretensioner Squib Left), Front Seat Outer Belt Assembly Left is open or shorted, Front Seat Outer Belt Assembly Left 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
- B1907 Toyota indicates Short to Ground in Front Pretensioner Squib Left Circuit.
- Common causes
- Common causes include Faulty Front Seat Outer Belt Assembly Left (LH) (Front Pretensioner Squib Left), Front Seat Outer Belt Assembly Left is open or shorted, Front Seat Outer Belt Assembly Left 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 B1907 Toyota Description
What are the Possible Causes of the DTC B1907 Toyota?
- Faulty Front Seat Outer Belt Assembly Left (LH) (Front Pretensioner Squib Left)
- Front Seat Outer Belt Assembly Left is open or shorted
- Front Seat Outer Belt Assembly Left poor electrical connection
- Faulty Center Airbag Sensor Assembly
How to Fix the DTC B1907 Toyota?
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 B1907 Toyota 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 Toyota Models
- B1907 2013 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
- B1907 2014 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
- B1907 2015 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
- B1907 2016 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
- B1907 2017 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
- B1907 2018 Toyota RAV4 — Short to Ground in Front Pretensioner Squib Left Circuit
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 B1907 Toyota Code
1. What are the common symptoms of OBDII code B1907 in a Toyota related to the Front Pretensioner Squib Left Circuit?
- Common symptoms may include an illuminated airbag warning light on the dashboard and a potential non-deployment of the left front seatbelt pretensioner in the event of a collision.
2. What is the primary cause of OBDII code B1907 indicating a Short to Ground in the Front Pretensioner Squib Left Circuit for a Toyota?
- The primary cause is typically a short circuit to ground in the wiring or connectors associated with the left front seatbelt pretensioner squib, leading to a loss of continuity.
3. How can I troubleshoot and repair OBDII code B1907 in a Toyota myself?
- To troubleshoot, inspect the wiring harness and connectors for any visible damage or signs of wear. Repair involves repairing or replacing any damaged wiring, connectors, or components to restore proper functionality.
4. Can driving with OBDII code B1907 present cause any safety concerns?
- Driving with this code present may compromise the effectiveness of the left front seatbelt pretensioner in the event of a collision, potentially impacting occupant safety. It is recommended to address the issue promptly.
5. Is it possible to reset or clear OBDII code B1907 in a Toyota without addressing the underlying issue?
- While you can clear the code using an OBDII scanner, it will likely reappear if the root cause of the short to ground in the front pretensioner squib left circuit is not resolved.
6. Are there any recalls or service bulletins related to OBDII code B1907 in Toyota vehicles?
- It is advisable to check with Toyota dealerships or visit the manufacturer's website to inquire about any recalls or service bulletins related to this specific OBDII code to see if your vehicle is affected.
7. How can I prevent OBDII code B1907 from occurring in my Toyota in the future?
- Regularly inspect and maintain the wiring harnesses and connectors associated with the airbag system, especially after any repairs or maintenance work, to prevent issues like short circuits from developing.
8. Will fixing OBDII code B1907 require specialized tools or equipment?
- While basic tools like a multimeter and wiring repair tools may be necessary, fixing this code can typically be done without specialized equipment, especially if you are comfortable working on automotive electrical systems.
9. Can a DIY enthusiast with moderate automotive knowledge fix OBDII code B1907 in a Toyota?
- Yes, a DIY enthusiast with moderate automotive knowledge and electrical troubleshooting skills can often diagnose and repair the issue, provided they follow proper safety precautions and guidelines.
10. How long does it typically take to repair OBDII code B1907 related to the Front Pretensioner Squib Left Circuit in a Toyota?
- The repair time can vary depending on the exact cause and extent of the issue. In general, diagnosing and fixing a short to ground in the front pretensioner squib left circuit can take a few hours to a day, depending on the complexity.
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