B1462 Code - Seat Belt Switch Circuit Failure
Quick Answer
The Body Control Module (BCM) monitors the Seat Belt Switch. Common causes include Faulty Seat Belt Switch, Seat Belt Switch harness is open or shorted, Seat Belt Switch 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
- B1462 indicates Seat Belt Switch Circuit Failure.
- Common causes
- Common causes include Faulty Seat Belt Switch, Seat Belt Switch harness is open or shorted, Seat Belt Switch 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 B1462 Description
What are the Possible Causes of the DTC B1462?
- Faulty Seat Belt Switch
- Seat Belt Switch harness is open or shorted
- Seat Belt Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1462?
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 B1462 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
- B1462 Chrysler — Channel 1 Audio Speaker Output Circuit High
- B1462 Dodge — Channel 1 Audio Speaker Output Circuit High
- B1462 Ford — Charge Port Light Ring LED Segment 2 No Sub Type Information
- B1462 Jeep — Channel 1 Audio Speaker Output Circuit High
- B1462 Lexus — Room Humidity Sensor Circuit
- B1462 Lincoln — Charge Port Light Ring LED Segment 2 No Sub Type Information
- B1462 Mercury — Charge Port Light Ring LED Segment 2 No Sub Type Information
- B1462 RAM — Channel 1 Audio Speaker Output Circuit High
- B1462 Scion — Room Humidity Sensor Circuit
- B1462 Toyota — Room Humidity Sensor 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 B1462 Code
1. What does OBDII code B1462 mean?
Code B1462 indicates a Seat Belt Switch Circuit Failure, meaning the vehicle's system has detected an issue in the electrical circuit responsible for monitoring the seat belt switch.
2. What are the symptoms of code B1462?
Common symptoms include the seat belt warning light staying on, malfunctioning seat belt reminders, or a lack of audible seat belt alerts.
3. What causes the B1462 code?
Possible causes include a faulty seat belt switch, damaged or corroded wiring in the circuit, a loose connection, or a malfunctioning control module.
4. Can I drive with the B1462 code active?
While the car may still be drivable, the safety system may not function properly, so it’s recommended to address the issue promptly to ensure seat belt reminders work as intended.
5. How is the B1462 code diagnosed?
A technician will inspect the seat belt switch, wiring, and connectors for damage or corrosion, and may use a multimeter to test for continuity and proper voltage in the circuit.
6. How do I fix the B1462 code?
Repairs may involve replacing a damaged seat belt switch, repairing or replacing faulty wiring, or reconnecting loose connections in the circuit.
7. Can a dead battery cause the B1462 code?
A dead or weak battery can sometimes cause electrical issues, but it’s unlikely to be the direct cause of this specific code. However, it’s worth checking the battery and charging system if other electrical problems are present.
8. How much does it cost to fix the B1462 code?
The repair cost depends on the issue; replacing a seat belt switch might cost $50–$200, while fixing wiring issues may vary depending on labor time.
9. Can I clear the B1462 code without fixing it?
Clearing the code with a diagnostic scanner may temporarily remove it, but if the underlying issue isn’t resolved, the code will likely return.
10. Is the B1462 code a common issue?
B1462 is not extremely common but can occur in vehicles with worn-out seat belt switches or damaged wiring, especially in older models or vehicles exposed to moisture.
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