B1933 Lincoln Code - Air Bag Passenger Circuit Open Fault
Quick Answer
The Restraints Control Module (RCM) checks all of the Passenger Air Bag Module Circuits for faults. Common causes include Faulty Passenger Air Bag Module, Passenger Air Bag Module harness is open or shorted, Passenger Air Bag Module 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
- B1933 Lincoln indicates Air Bag Passenger Circuit Open Fault.
- Common causes
- Common causes include Faulty Passenger Air Bag Module, Passenger Air Bag Module harness is open or shorted, Passenger Air Bag Module 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 B1933 Lincoln Description
What are the Possible Causes of the DTC B1933 Lincoln?
- Faulty Passenger Air Bag Module
- Passenger Air Bag Module harness is open or shorted
- Passenger Air Bag Module circuit poor electrical connection
- Faulty Restraint Control Module (RCM)
How to Fix the DTC B1933 Lincoln?
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 B1933 Lincoln 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 B1933 Lincoln Code
1. What are the common symptoms of OBDII code B1933 in a Lincoln related to the Air Bag Passenger Circuit Open Fault?
- The common symptoms include the airbag warning light illuminating on the dashboard and a potential loss of functionality in the passenger airbag system.
2. What are some possible causes of the Air Bag Passenger Circuit Open Fault with OBDII code B1933 in a Lincoln?
- Potential causes can include a damaged or frayed wiring harness, a loose connection in the airbag system, or a faulty passenger airbag module.
3. How can I diagnose the Air Bag Passenger Circuit Open Fault with OBDII code B1933 in my Lincoln?
- Diagnosing this issue typically involves using a diagnostic scanner to retrieve the specific trouble code, inspecting the wiring and connections in the passenger airbag circuit, and testing the components for continuity and proper functioning.
4. Is it safe to drive my Lincoln with the Air Bag Passenger Circuit Open Fault and OBDII code B1933?
- It is not recommended to drive the vehicle with an active airbag fault code, as it indicates a potential safety issue with the passenger airbag system. It is advised to address the problem promptly.
5. Can I reset the OBDII code B1933 related to the Air Bag Passenger Circuit Open Fault in my Lincoln?
- Resetting the code without addressing the underlying issue will likely result in the code reappearing. It is essential to diagnose and repair the fault first before attempting to clear the code.
6. Are there any DIY repair tips for fixing the Air Bag Passenger Circuit Open Fault with OBDII code B1933 in a Lincoln?
- DIY repair tips may include checking and securing the wiring harness, ensuring all connections are tight, and inspecting the passenger airbag module for any visible damage.
7. How much does it typically cost to repair the Air Bag Passenger Circuit Open Fault with OBDII code B1933 in a Lincoln?
- The cost of repair can vary depending on the specific cause of the fault. It may range from a simple fix like reconnecting a loose wire to replacing a faulty component, which can increase the overall cost.
8. Can I drive my Lincoln without the passenger airbag functioning due to the Air Bag Passenger Circuit Open Fault?
- It is not recommended to drive the vehicle with a disabled passenger airbag, as it can compromise the safety of the occupants in the event of a collision. Repair the issue as soon as possible.
9. How long does it typically take to repair the Air Bag Passenger Circuit Open Fault with OBDII code B1933 in a Lincoln?
- The repair time can vary based on the complexity of the issue. Simple fixes like reconnecting a loose wire may take a short time, while more involved repairs could require several hours or a day at the service center.
10. Is the Air Bag Passenger Circuit Open Fault a common issue in Lincoln vehicles?
- While it may not be one of the most common issues, faults related to the airbag system can occur in any vehicle, including Lincolns. Regular maintenance and prompt attention to warning lights can help prevent such issues.
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